The distribution and quantity of Felis lynx population in the northeast have been found out by the three-stage sampling method.
我们利用三阶抽样法，查清了东北地区猞猁种群的分布及数量情况。
The distribution and quantity of Felis lynx population in the northeast have been found out by the three-stage sampling method.
我们利用三阶抽样法，查清了东北地区猞猁种群的分布及数量情况。
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