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Multi-disciplinary Analysis on Policy Failure of the Vocational Education in Cina

我国职业教育政策执行失效的多学科分析

Research the Function of Gene comE 、 comX 、 cinA 、 dnaK in Competence of Streptococcus Pneumoniae

基因comE、comX、cinA、dnaK在肺炎链球菌感受态形成中作用的研究

Agriculture is the basement of Cina \'s national economy 、 the basic producing line of business .

农业是我国经济和社会发展的基础产业。

Briefly Discussing the Establishment of a Social Security System for the Aged in Cities and Towns in Cina

构建城镇社会养老工程体系的探讨

Where is Chengdu on this map of Cina ?

成都在中国地图上的位置在哪里？