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是我国及世界稻区主要害虫,培育抗性品种是最经济有效的防治手段。
Breeding resistance varieties is the most economic and effective way to control the pest.
youdao
-
是我国及世界稻区主要害虫,培育抗性品种是最经济有效的防治手段。
Breeding resistance varieties is the most economic and effective way to control the pest.
youdao