The region has a very high population density.
这一地区人口密度很高。
The population density of that country is 685 per square mile.
那个国家的人口密度为每平方英里685人。
They have never had a high population density.
他们从来没有过很高的人口密度。
The density of population in this city is very high.
这个城市的人口密度非常高。
This region has a high population density.
这个地区人口密度很大。
Time is only considered as the effect on population density in ordinary model.
常微模型只考虑时间因素对种群密度的影响。
Low density population caused loss of light during earlier stage.
密度过低则导致生育前期漏光损失较多。
For one thing, no population can be driven entirely by density-independent factors all the time.
一方面，没有任何种群在所有的时间里完全只受受“种群密度无关”因素的影响。
For one thing, no population can be driven entirely by density-independent factors all the time.
一方面，没有任何种群在所有的时间里完全只受“种群密度无关”因素的影响。
For one thing, no population can be driven entirely by density-independent factors all the time.
一方面，没有任何种群在所有的时间里完全只受“种群密度无关”因素的影响。
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