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在相同误差水平,理论抽样数随平均虫口密度的增加而减少。
Under some level of error, the theoretical sampling number should decrease as the average density of the mite increases.
youdao
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在相同误差水平,理论抽样数随平均虫口密度的增加而减少。
Under some level of error, the theoretical sampling number should decrease as the average density of the mite increases.
youdao