A concise result was obtained by sampling, which provided specific data for the macro-classification and evaluation and for working out strategies to control the stored product insects.
共划分为四类区域，分层抽样，进而得出较精确的调查结果，为进行宏观分类评价和制定防治策略提供了数量依据。
A concise result was obtained by sampling, which provided specific data for the macro-classification and evaluation and for working out strategies to control the stored product insects.
共划分为四类区域，分层抽样，进而得出较精确的调查结果，为进行宏观分类评价和制定防治策略提供了数量依据。
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