6.下列调查活动或实验中计算所得数值与实际数值相比可能偏大的是 A.用标志重捕法调查丹顶鹤种群密度时个别标志物脱落b.用样方法调查稻田 Template




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tomski6.下列调查活动或实验中计算所得数值与实际数值相比可能偏大的是 a.用标志重捕法调查丹顶鹤种群密度时个别标志物脱落b.用样方法调查稻田 coloring