Meanwhile, the conditions for development and use were considered too.
同时，也考虑到开发和利用条件。
Also the conditions of disease development, maize resistance and disease control measureses were studied.
在此基础上，研究病害发病条件及玉米的抗性，探讨玉米疯顶病的综合治理方法。
Part II: the historic development and present conditions of the teaching practice institution in China.
第二部分：中国教育实习制度的历史演进与现状。
Geographical conditions and economic development.
地理条件优越，经济发达。
W. T. ratio and an analysis of the conditions for the said crack development.
分析了顶头工作锥纵裂的条件。
W. T. ratio and an analysis of the conditions for the said crack development.
分析了顶头工作锥纵裂的条件。
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