{"title":"两个问题一个解决方案。","authors":"","doi":"","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":85852,"journal":{"name":"Weekly mail (Johannesburg, South Africa)","volume":" ","pages":"[1] p."},"PeriodicalIF":0.0000,"publicationDate":"1991-05-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"One solution for two problems.\",\"authors\":\"\",\"doi\":\"\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\",\"PeriodicalId\":85852,\"journal\":{\"name\":\"Weekly mail (Johannesburg, South Africa)\",\"volume\":\" \",\"pages\":\"[1] p.\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1991-05-24\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Weekly mail (Johannesburg, South Africa)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Weekly mail (Johannesburg, South Africa)","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}