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Mapping China’s non-grain governance: pathways to global agricultural sustainability 绘制中国非粮食治理:全球农业可持续发展之路
IF 9.1 1区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2026-05-01 Epub Date: 2026-01-23 DOI: 10.1016/j.gloenvcha.2026.103116
Wenbo Zhang , Xiaoliang Hu , Hongbo Li , Xiaolin Zhang , Changchun Huang , Zhaoyuan Yu , Shaobin Li , Zengkai Zhang , Libang Ma , Linwang Yuan
To address multiple challenges including food security, resource scarcity, and environmental degradation, China is prioritizing non-grain governance (NGG) as a key strategy, yet lacks an actionable governance framework. This paper proposes an integrated approach combining non-grain level (NGL) control (Measure 1) with crop spatial reallocation (Measure 2), thereby establishing a three-tier governance framework for non-grain conversion (NGC) at the “national-agricultural region-county levels”. Based on China’s 2020 grain production capacity, we project pathways to meet grain demand under 2030 population scenarios and evaluate the impacts of three policy scenarios on sustainable agricultural development. Simulation results for 2020–2030 show that, compared to Scenario 1 (no measure 1 & no measure 2 → a 25.56% increase in imports), Scenario 2 (no measure 1 & with measure 2 → partial imports) could fulfill up to 84% of food demand through optimized crop spatial allocation. This import reduction would save approximately 16.43% of global arable land use, 16.59% of global water consumption, 16.36% of global energy use, and 15.80% of global carbon emissions associated with trade. Scenario 3 (with measure 1 & with measure 2 → self-sufficiency) could achieve full grain self-sufficiency by constraining the non-grain level to ≤ 28% through integrated control and spatial optimization, thereby avoiding additional global resource consumption. However, this scenario would increase domestic water and energy stress and constrain farmers’ net income. For China’s nine major agricultural regions and their 2,668 counties, the management focus should shift from merely monitoring the surface-level rate of farmland conversion to non-grain uses, to a more critical assessment of its tangible impacts on grain production and environmental pollution. Accordingly, stringent protection measures are required, particularly for counties within core production areas such as the Northeast China Plain and the Huang-Huai-Hai Plain. The proposed three-tier governance system offers a scalable framework for addressing the intertwined challenges of food security, resource conservation, and global ecological responsibilities.
为了应对包括粮食安全、资源短缺和环境恶化在内的多重挑战,中国将非粮食治理作为一项关键战略,但缺乏可操作的治理框架。本文提出将非粮食水平控制(测度1)与作物空间再配置(测度2)相结合的综合治理方法,构建“国家-农业区-县域”非粮食转化三层治理框架。以中国2020年粮食生产能力为基础,预测了2030年人口情景下满足粮食需求的路径,并评估了三种政策情景对农业可持续发展的影响。2020-2030年的模拟结果表明,与情景1(不采取措施1和不采取措施2→进口增加25.56%)相比,情景2(不采取措施1和采取措施2→部分进口)可以通过优化作物空间配置满足高达84%的粮食需求。减少进口将节约约16.43%的全球耕地,16.59%的全球水资源消耗,16.36%的全球能源消耗,15.80%的全球与贸易相关的碳排放。方案3(措施1 &措施2→自给)通过综合控制和空间优化,将非粮食水平控制在≤28%,实现粮食完全自给,避免了额外的全球资源消耗。然而,这种情况将增加国内的水和能源压力,并限制农民的净收入。对于中国的九个主要农业区及其2668个县来说,管理的重点应该从仅仅监测耕地非粮食利用的表面率,转向对其对粮食生产和环境污染的实际影响进行更严格的评估。因此,需要采取严格的保护措施,特别是对东北平原和黄淮海平原等核心产区的县。提出的三层治理体系为解决粮食安全、资源保护和全球生态责任等相互交织的挑战提供了一个可扩展的框架。
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引用次数: 0
Bi-decadal changes in selected ecosystem services and their integrated drivers in East Africa 东非部分生态系统服务的双年代际变化及其综合驱动因素
IF 9.1 1区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2026-05-01 Epub Date: 2026-01-25 DOI: 10.1016/j.gloenvcha.2026.103115
Edovia Dufatanye Umwali , Alain Isabwe , Naomie M. Kayitesi , Xi Chen
Ecosystem services are fundamental to sustaining life and livelihoods, yet they face increasing threats, particularly in Sub-Saharan Africa. This study investigates the temporal dynamics of key ecosystem services, carbon storage, habitat quality, and water yield, across five East African countries over the past two decades, while also exploring their drivers. Spatially explicit models were developed using the integrated Valuation of Ecosystem Services and Trade-offs (InVEST), and random forest models (70% training, 30% testing; 500 trees) to identify ecosystem service responses to a variety of drivers, including climate, proximity, soil, Land Use Land Cover Change (LUCC), socioeconomic, and topographic factors. Results revealed distinct patterns in ecosystem service dynamics: (1) Carbon storage remained relatively stable, with 90.9% of the area maintaining consistent levels in 2000–2010, slightly increasing to 91.6% in 2010–2020; (2) Habitat quality showed more variability, but trended positively, with improvements from 2000 to 2010, and over 95% of the area remaining stable in the following decade. (3) In contrast, water yield exhibited the most significant fluctuations, with 52.6% of the area experienced a decline and 43.7% an increase in 2000–2010, followed by a dramatic 89.1% increase in 2010–2020. (4) The random forest models produced robust results (R2 = 0.75–––0.96) across all three periods (2000, 2010, and 2020) for each ecosystem service. (5) Climate variables, particularly precipitation and temperature, emerged as the strongest drivers of water yield, while slope and socioeconomic factors primarily influenced carbon storage. (6) Socioeconomic factors were also most influential in shaping habitat quality. These findings offer critical insights for environmental management and policy, providing a basis for sustainable development strategies as the region works toward achieving the 2030 Sustainable Development Goals.
生态系统服务是维持生命和生计的基础,但面临越来越多的威胁,特别是在撒哈拉以南非洲。本研究调查了过去二十年来东非五个国家的关键生态系统服务、碳储量、栖息地质量和水量的时间动态,同时也探讨了它们的驱动因素。利用综合生态系统服务和权衡评估(InVEST)和随机森林模型(70%训练,30%测试;500棵树)开发空间明确模型,以确定生态系统服务对各种驱动因素的响应,包括气候、邻近、土壤、土地利用、土地覆盖变化(LUCC)、社会经济和地形因素。结果表明:①碳储量保持相对稳定,2000-2010年有90.9%的面积保持稳定,2010-2020年略有上升至91.6%;(2) 2000 - 2010年,生境质量表现出较强的变异性,但总体呈上升趋势,此后10年95%以上的面积保持稳定。(3)产水量变化最为显著,2000-2010年有52.6%的面积下降,43.7%的面积增加,2010-2020年有89.1%的面积急剧增加。(4)在2000年、2010年和2020年三个时期,随机森林模型对每种生态系统服务都产生了稳健的结果(R2 = 0.75—0.96)。(5)气候变量(尤其是降水和温度)是产水量的最大驱动因素,而坡度和社会经济因素主要影响碳储量。(6)社会经济因素对生境质量的影响最大。这些发现为环境管理和政策提供了重要见解,为该地区实现2030年可持续发展目标的可持续发展战略提供了基础。
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引用次数: 0
Mapping priority and potential tranquility areas in China using hybrid audio-visual GIS modeling for environment decision making 利用混合视听GIS模型进行环境决策,绘制中国的优先区域和潜在宁静区
IF 9.1 1区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2026-05-01 Epub Date: 2026-01-28 DOI: 10.1016/j.gloenvcha.2026.103117
Xiaoqing Xu , Feiran Hu , Ning Zou , Chumeng Yu , Yue Cao , Xueyao Sun , Zuyao Li , Jialai Meng , Jian Kang
The coupling of visual and auditory tranquility on a national scale has garnered attention worldwide. However, research on the spatial distributions in visual and audio tranquility across China and the implications of these differences for the perceptions and management of overall tranquility in scarce. Therefore, this study examined the spatial distribution of visual and auditory tranquility across China and its variations, spatial differences between visual and auditory tranquility, and the relationship between tranquility patterns and geographic zoning. This study used audio-visual geographic information system modeling and public consultations employing multi-criteria decision-making techniques to develop a comprehensive map of visual and auditory tranquility. The results revealed a correlation between tranquility, urban development, and environmental indicators. Additionally, this research established a framework to mapping tranquility, supplementing existing knowledge, and set baseline standards for future environment conservation decision making of tranquil protected lands and regional governance systems in China. The findings highlight priority and potential development areas for tranquility, providing guidance for future territorial spatial planning and regional. The research ideas, methods, and techniques are also applicable to the study of tranquil areas at the global scale.
在全国范围内,视觉和听觉的宁静耦合引起了全世界的关注。然而,中国城市视听宁静的空间分布及其差异对城市整体宁静感知和管理的启示研究较少。因此,本研究考察了中国视觉和听觉宁静的空间分布及其变化,视觉和听觉宁静的空间差异,以及宁静模式与地理区划的关系。本研究采用视听地理信息系统建模和公众咨询,采用多标准决策技术,开发了视觉和听觉宁静的综合地图。结果揭示了宁静、城市发展和环境指标之间的相关性。此外,本研究还建立了宁静地图的框架,补充了现有的知识,并为未来中国宁静保护区的环境保护决策和区域治理体系设定了基准标准。研究结果强调了宁静的优先和潜在发展领域,为未来的领土空间规划和区域规划提供了指导。研究思路、方法和技术同样适用于全球范围内的宁静区研究。
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引用次数: 0
Compound dry-and-hot extremes exacerbate income inequality and poverty in Europe 干旱和炎热的复合极端加剧了欧洲的收入不平等和贫困
IF 9.1 1区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2026-05-01 Epub Date: 2026-01-22 DOI: 10.1016/j.gloenvcha.2025.103106
Jessie Ruth Schleypen , Fahad Saeed , Anne Zimmer , Tilman Brück
Heat waves and droughts are each highly damaging to people’s incomes, but little is known of the joint impact on household welfare when these events occur simultaneously. We combine European household level survey data from 2004 to 2022 with high resolution temperature and drought data in a fixed effects econometric regression to investigate the change in household income and risk of poverty due to heat waves, droughts, and compound dry-and-hot extremes. We find that the average reduction in annual household income was 0.8 percentage points larger when heat waves coincided with a drought month, compared to when heat waves occurred alone. The compound climate impact was stronger for poorer households, with household in the poorest income quintile experiencing a reduction in average household income from the combined impacts of heatwave and drought of 2.7 percentage points larger than the households in the richest income quintile. We estimate that heat waves and droughts increased the at-risk-of-poverty (AROP) rate in Europe by 1.1 percentage points or an additional 5.6 million persons for 2004–2022 on average. Our projections indicate that limiting global warming to 1.5 °C by 2100 minimizes the negative impacts on income and limits the increase in income inequality and at-risk-of-poverty rates. Limiting warming also allows for more time to adapt to the adverse effects of heat waves and droughts. To reduce poverty by at least 15 million by 2030, the European Union has to scale up its protection of vulnerable populations through climate mitigation and adaptation.
热浪和干旱都对人们的收入造成严重损害,但当这些事件同时发生时,对家庭福利的共同影响却知之甚少。我们将2004年至2022年欧洲家庭水平调查数据与高分辨率温度和干旱数据结合起来,采用固定效应计量回归方法,研究热浪、干旱和复合干热极端天气对家庭收入和贫困风险的影响。我们发现,当热浪与干旱月份同时出现时,家庭年收入的平均降幅比热浪单独出现时高出0.8个百分点。对较贫穷的家庭来说,气候的复合影响更大,收入最贫穷的五分之一家庭受到热浪和干旱综合影响的平均家庭收入下降幅度比收入最高的五分之一家庭大2.7个百分点。我们估计,2004-2022年期间,热浪和干旱使欧洲的贫困风险(AROP)率平均增加了1.1个百分点,即560万人。我们的预测表明,到2100年将全球变暖控制在1.5°C以内可以最大限度地减少对收入的负面影响,并限制收入不平等和贫困风险率的扩大。限制气候变暖也让我们有更多的时间来适应热浪和干旱的不利影响。为了到2030年减少至少1500万贫困人口,欧洲联盟必须通过减缓和适应气候变化来加强对弱势群体的保护。
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引用次数: 0
Water-extractable organic matter from tropical soils and biochar amendment tailors the colloidal behavior of nanoparticles and mitigates their toxicity through molecular eco-corona formation 从热带土壤和生物炭中提取的水可提取的有机物质通过分子生态电晕的形成调整了纳米颗粒的胶体行为,并减轻了它们的毒性
IF 8.131 2区 环境科学与生态学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2026-03-23 DOI: 10.1039/d5en01164g
Laís G. Fregolente, João Vitor dos Santos, Gabriela H. Da Silva, Theodoro da R. Salles, Simone G. S. dos Santos, Luelc S. Costa, Gabriela A. Nogueira, Márcia C. Bisinoti, Carlos A. Pérez, Patrick G. Hatcher, Iseult Lynch, Diego Stéfani T. Martinez
Understanding the interactions between nanoparticles and organic matter is crucial for environmental nanoscience and agricultural innovation, whether from intentional applications (fertilizers and agrochemicals) or unintentional release through widespread commercial use in many products. Molecular eco-corona formation on nanoparticle surfaces is a key element governing nano-bio interactions. Here, we investigated how water-extractable organic matter (WEOM) from tropical soils (i.e., oxisol and Amazonian dark earth) and biochar-amended oxisol affects eco-corona formation on copper oxide nanoparticles (CuONP) and how this impacts their colloidal stability and modulates their toxicity in a zebrafish model. Fluorescence spectroscopy, cryogenic electron transmission microscopy and ultrahigh-resolution mass spectrometry showed that the molecular structure and functionality of carbon compounds from WEOM are the main drivers of eco-corona rather than carbon content. Small, highly functionalized conjugated aromatic compounds exhibited the highest potential to form a strong eco-corona, which was positively correlated with nanoparticle stability. The interaction between CuONP and WEOM from Amazonian soil effectively inhibited nanoparticle aggregation at higher ionic strengths, thereby avoiding agglomeration and resulting in no significant impact on the embryo hatching rate. A correlative microscopy approach enabled the identification of different deposition patterns of nanoparticle association with the chorion membrane of zebrafish embryos. The mitigation of CuONP toxicity by strong eco-corona highlights the decisive role of the organic matter source and carbon chemistry in modulating nano-bio interactions and eco-corona composition, with implications for biological membrane attachment (i.e., chorion binding) linked to toxicological effects (i.e., embryotoxicity). These findings carry significant implications for risk assessment, safety, and the regulation of nanoparticles in tropical environments.
了解纳米颗粒和有机物质之间的相互作用对于环境纳米科学和农业创新至关重要,无论是有意应用(肥料和农用化学品)还是通过在许多产品中广泛的商业使用而无意释放。纳米颗粒表面的分子生态电晕形成是控制纳米生物相互作用的关键因素。在斑马鱼模型中,我们研究了来自热带土壤(即氧化土和亚马逊暗土)和生物炭改性氧化土的水可萃取有机质(WEOM)如何影响氧化铜纳米颗粒(CuONP)的生态电晕形成,以及这如何影响其胶体稳定性和调节其毒性。荧光光谱、低温电子透射电镜和超高分辨率质谱分析表明,WEOM中碳化合物的分子结构和功能是生态电晕的主要驱动因素,而不是碳含量。小的、高功能化的共轭芳香族化合物表现出形成强生态电晕的最高潜力,这与纳米颗粒的稳定性呈正相关。亚马逊土壤中CuONP与WEOM的相互作用有效抑制了纳米颗粒在较高离子强度下的聚集,从而避免了团聚,对胚胎孵化率没有显著影响。相关显微镜方法可以鉴定纳米颗粒与斑马鱼胚胎绒毛膜结合的不同沉积模式。强生态电晕对CuONP毒性的缓解突出了有机物质来源和碳化学在调节纳米生物相互作用和生态电晕组成方面的决定性作用,这意味着与毒理学效应(即胚胎毒性)相关的生物膜附着(即绒毛膜结合)。这些发现对热带环境中纳米颗粒的风险评估、安全性和调控具有重要意义。
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引用次数: 0
Unveiling small-scale tropical forest loss and post-loss recovery in the Congo Basin 揭示刚果盆地的小规模热带森林损失和损失后的恢复
IF 10.47 1区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2026-03-22 DOI: 10.1016/j.gloenvcha.2026.103149
Yihang Zhang, Xiaodong Li, Feng Ling, Xia Wang, Yun Du, Peter M. Atkinson
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引用次数: 0
Land degradation neutrality in Asia: progress in preventing and reversing land degradation by 2030 亚洲土地退化零恶化:到2030年预防和扭转土地退化的进展
IF 10.47 1区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2026-03-21 DOI: 10.1016/j.gloenvcha.2026.103153
Abiot Molla, Yin Ren, Shudi Zuo, Ijaz Hussain, Yilkal Gebeyehu Mekonnen
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引用次数: 0
Oil exploration in the Amazon Basin: narratives of disinformation and climate obstruction 亚马逊盆地的石油勘探:虚假信息和气候障碍的叙述
IF 10.47 1区 环境科学与生态学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2026-03-20 DOI: 10.1016/j.gloenvcha.2026.103148
Marina Kuzuyabu, Gustavo Andrey de Almeida Lopes Fernandes
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引用次数: 0
Visualization of pore water colloids in intact soil using a new diffusive gradients in thin films (DGT)-based approach 基于薄膜扩散梯度(DGT)方法的完整土壤孔隙水胶体可视化研究
IF 8.131 2区 环境科学与生态学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2026-03-19 DOI: 10.1039/d5en01069a
Claudia Moens, Justin Payne, Casey L. Doolette, Camille Resseguier, Jan Vanderborght, Enzo Lombi, Erik Smolders
Mobile colloids, most notably natural nanoparticles (NP) within the <100 nm range, enhance the mobility of nutrients and contaminants in soil; however, unbiased sampling methods are lacking to properly quantify colloid-facilitated transport. We advanced the imaging diffusive gradients in thin films (DGT) method to sample not only solutes but also pore water colloids in intact soils. The DGT setup consisted of a zirconium oxide–Chelex binding layer separated from soil by a 9 μm thick membrane with a pore size of 1 μm, providing a short diffusion length to increase colloid sensitivity. The method was tested in a vertical 15 cm section near the plough pan at about 30 cm depth in an arable soil (Luvisol) with silt-loam texture. Intact soil cores were sampled, sliced along the longitudinal axis, and the DGT was deployed on the exposed surface. Two-dimensional mapping of the DGT by LA-Time-of-Flight (TOF)-MS identified striking co-localisation of Al, Si, Rb, and Cs, indicating clay colloids. Pore water extracted from the same soil cores and analysed using Flow Field Flow Fractionation confirmed 2 : 1 clay minerals as the dominant colloids. Laboratory studies confirmed the potential of the DGT binding layer to concentrate clay colloids from suspensions, likely due to cation bridging between the negatively charged clay surfaces and the zirconium oxide in the binding layer. Colloids were present on the soil-deployed gels primarily at locations where pore water Ca2+ concentrations were lower, likely corresponding to larger pores that were mostly drained at the time of sampling. This study presents the first 2D map of pore water colloids in soil, future work will focus on converting DGT data into resident colloid concentrations.
移动胶体,尤其是100 nm范围内的天然纳米颗粒(NP),增强了土壤中养分和污染物的流动性;然而,缺乏无偏采样方法来适当地量化胶体促进运输。我们提出了薄膜成像扩散梯度(DGT)方法,不仅可以对完整土壤中的溶质进行采样,还可以对孔隙水胶体进行采样。DGT装置由一层9 μm厚、孔径为1 μm的氧化锆- chelex结合层与土壤分离组成,提供了短的扩散长度以提高胶体灵敏度。在一种粉壤土(Luvisol)中,在靠近犁盘约30 cm深的15 cm垂直剖面上对该方法进行了试验。取样完整的土芯,沿纵轴切片,并在暴露表面部署DGT。通过LA-Time-of-Flight (TOF)-MS对DGT进行二维映射,发现了Al、Si、Rb和Cs的共定位,表明它们是粘土胶体。从相同的土芯中提取孔隙水并使用流场分馏法进行分析,证实2:1粘土矿物是主要的胶体。实验室研究证实了DGT结合层从悬浮液中浓缩粘土胶体的潜力,可能是由于带负电荷的粘土表面和结合层中的氧化锆之间的阳离子桥接。胶体主要存在于孔隙水Ca2+浓度较低的地方,可能对应于取样时大部分被排干的较大孔隙。本研究首次绘制了土壤孔隙水胶体的二维图,未来的工作将集中于将DGT数据转化为常驻胶体浓度。
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引用次数: 0
Lipid Adsorbed on the Surface of Nanomaterials Enhances Protein Corona Formation 纳米材料表面的脂质吸附增强了蛋白质电晕的形成
IF 8.131 2区 环境科学与生态学 Q1 CHEMISTRY, MULTIDISCIPLINARY Pub Date : 2026-03-18 DOI: 10.1039/d5en00971e
Morgan Heckman, Catherine Cai, Abhishek Kalpattu, Emily Simmons, Robert Tighe, Christine K. Payne
The high level of nanomaterials used in industrial and consumer products drives the need to better understand how these materials interact with biological systems. We probe the interaction of four commonly used nanomaterials; titanium dioxide, silicon dioxide, and silver nanoparticles and multi-walled carbon nanotubes, with a representative lung lining fluid lipid, L-α phosphatidylcholine, and serum proteins. We find that the presence of the lipid increases the adsorption of fetal bovine serum on the surface of the nanomaterials. Individual serum proteins, bovine serum albumin and transferrin, show a nanomaterial-dependent response. We used murine macrophages to characterize the cellular response to lipid-protein-nanoparticle complexes and found a nanomaterial-dependent response, measured by cytokine release. In the case of titanium dioxide nanoparticles, L-α-phosphatidylcholine on the nanomaterial surface provides a protective effect against inflammation. While much recent work probes the protein corona that forms on nanomaterials used in biological applications, this work examines the lipid and protein coronas with relevance to inhalation exposures.
工业和消费品中使用的高水平纳米材料促使人们需要更好地了解这些材料如何与生物系统相互作用。我们探讨了四种常用纳米材料的相互作用;二氧化钛、二氧化硅、纳米银和多壁碳纳米管,具有代表性的肺衬里液脂、L-α磷脂酰胆碱和血清蛋白。我们发现脂质的存在增加了胎牛血清在纳米材料表面的吸附。个别血清蛋白,牛血清白蛋白和转铁蛋白,表现出纳米材料依赖的反应。我们使用小鼠巨噬细胞来表征细胞对脂质-蛋白质-纳米颗粒复合物的反应,并通过细胞因子释放来测量纳米材料依赖性反应。在二氧化钛纳米颗粒的情况下,纳米材料表面的L-α-磷脂酰胆碱提供了抗炎症的保护作用。虽然最近的许多工作都在探索生物应用中使用的纳米材料上形成的蛋白质冠状体,但本工作研究了与吸入暴露相关的脂质和蛋白质冠状体。
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引用次数: 0
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