populations

populations读音音标

英 [pɒpjʊ\'leɪʃnz]

美 [pɒpjʊ\'leɪʃnz]

populations意思解释

n.

人口( population的名词复数 )；

全体居民；

特定人[动物]群；

英英释义

population

n.

the people who inhabit a territory or state

\"the population seemed to be well fed and clothed\"

a group of organisms of the same species populating a given area

\"they hired hunters to keep down the deer population\"

(statistics) the entire aggregation of items from which samples can be drawn

\"it is an estimate of the mean of the population\"

同义词：universe

the number of inhabitants (either the total number or the number of a particular race or class) in a given place (country or city etc.)

\"people come and go, but the population of this town has remained approximately constant for the past decade\"; \"the African-American population of Salt Lake City has been increasing\"

the act of populating (causing to live in a place)

\"he deplored the population of colonies with convicted criminals\"

词组短语

population growth

人口的增长

rural population

农村人口

population density

人口密度；种群密度

floating population

流动人口

large population

庞大的人口

urban population

城市人口

general population

母体

population quality

人口素质；人口质量

aging population

老年人口；老化人口

population structure

人口结构；种群结构；总体结构

population increase

人口增长

population size

人口规模；人口数量；群体大小

population dynamics

种群动态；人口动态

population distribution

人口分布；总体分布；粒子数分布

population explosion

人口爆炸；人口激增

population control

人口控制；种群控制

initial population

起始粒子数反转；原始群体

population genetics

群体遗传学；人口遗传学

target population

人口指标，目标人群

population census

人口普查