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quadrat method
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quadrat method
Encyclopedia
理学
样方法
释
quadrat method
样方法
通过划定一个标准的面积单元作为样本来研究整个区域动植物或其他对象的方法。
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exit and entry documents
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exit boundary point
exit channel
exit channel; outgoing channel
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exitine
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exit-pupil
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exit window
exmedian
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