Abstract: The union field research, has schoolmate to the junior middle school teaching in two level of split up questions to make some views, only supplies the reference.
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the union field research
联合实地调研
以上为机器翻译结果，长、整句建议使用 人工翻译 。
This paper introduces the research results and field applications in this respect in the former Soviet Union and the Commonwealth of Independent States.
文中介绍了前苏联及独联体等在这方面的研究成果和现场应用情况。
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