population characteristic value [数] 总体特征值 ; [数] 总体本征值
population characteristic target 人口特征指标
floating population characteristic 流动人口特征
population spatial characteristic 人口空间格局
Population cycles are characteristic of small mammals, and they sometimes appear to be brought about by predators.
数量的周期循环是小型哺乳动物的特征，它们有时似乎是由捕食者造成的。
Considering human capital as a characteristic of the population, however, all four countries were advantaged by the large percentages of their populations who could read and write.
但是，考虑到人力资本是人口的一个特点，这四个国家都因其具有读写能力的人口占比大而更有优势。
A defining characteristic of a pandemic is the almost universal vulnerability of the world's population to infection. Not all people become infected, but nearly all people are at risk.
流行病的一个定义特性是它几乎能导致全球人口被感染，不是所有人都会被感染，但所有人有面临着被感染危险。
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