population size的意思

人口規模；人口數量；群體大小

population boom───人口爆炸

populations───[天][數][農]總體

population decline───人口減少

population density───人口密度；種群密度

population figures───人口數字

population pressure───人口壓力

copulations───n.交配；交尾；連結

papulations───造紙

population───n.人口；[生物]種群，[生物]群體；全體居民；[統計學]總體

In the end, 1% was about right for our population size.───最后，對于我們討論的人群大小而言，1%恰好合適。

But this was largely a reflection of population size.───不過這在很大程度上也反映了人口規模.

The ratio of sample size to population size.───抽樣規模與人口規模的比率.

The crash reduces the population size toward the original level.───隨著暴跌,導致種群數量回到它的初始水平.

But this was largely a reflection of population size.───但這更多是一個人口數量的反應。

In many natural populations carrying capacity ( and hence population size ) fluctuates seasonally.───在自然群體中,群體數量隨季節波動.

Do predators and parasites regulate the population size of their prey?───捕食者和寄生者是否能夠調節其獵物種群的大小呢 ?

The mean effective population size could be estimated as a harmonic means of the Ne.───估計出平均有效種群大小,作為所有世代Ne的調和平均值.

Population size: adult females in 1982.───數量: 1982年調查產區有繁殖母豬1萬余頭.

Population size may also be reduced by density independent factors a category that includes natural catastrophes.───群體規模也可因為密度無關因子而降低,包括自然災難.

For reasons of mathematical purity, they all assumed an infinite population size.───出于數學運算純粹性的要求，這些模型都得把種群規模假設為無窮大。

The interactions of predators and their prey affect population size in complex ways.───捕食和被捕食的相互復雜關系影響著群體的規模.

Small population size, fragmented distribution range and natural reproductive depression are the main threats.───本種居群小, 分布區片段化和自然更新能力減退.

The mean effective population size could be estimated as a harmonic means of the Ne.

Trade-based classifications Though clearly important, income and population size are not the only important characteristics of countries.

The ratio of sample size to population size.

Such costs increase as the population size increases.

Moreover, population size changes and thus the errors are not constant.

Surprisingly, he could not find out from local sources the population, size or exact borders of the country.

When the population size reaches a peak, few organisms succeed in reproducing.

The disparity in population size is not quite so extreme.

Managers need information on population size and characteristics, vital statistics, finances, personnel and facilities.