population size

基本解釋

• 人口規(guī)模；人口數(shù)量；群體大小

英漢例句

雙語例句

• But this was largely a reflection of population size.
  但這更多是一個人口數(shù)量的反應(yīng)。
• But this is how the countries of the world look if maps are based on population size rather than land mass.
  然而，如果地圖是根據(jù)人口規(guī)模，而不是以領(lǐng)土面積繪制而成的，世界各國看起來就是這副模樣。
• Control villages resembling project villages in terms of population size were randomly selected from an area enclosed by two ellipses centred around, but not including, the project area.
  從由兩個橢圓圍繞封閉而成的區(qū)域中隨機(jī)抽取與項目村莊擁有類似人口規(guī)模的對照村莊，但不包括項目區(qū)域。

原聲例句

• While representation in the House is based on population size, all states are equally represented in the Senate.
• So in a town that's the size of new Haven with a population of let's say 100,000 people in just the immediate New Haven area, there might be 20 of these instances of very severe form of polio per year, 20 crippled children would result.
  在一個像紐黑文這么大的城市里,大約有十萬人口,生活在紐黑文地區(qū)的人當(dāng)中,每年可能就會有二十人,感染到這種急性傳染病,可能會導(dǎo)致二十個孩子殘疾
  耶魯公開課 - 生物醫(yī)學(xué)工程探索課程節(jié)選
• The representatives are divided among the fifty states based on population size.

權(quán)威例句

• Instead the study emphasizes that population size, not compactness, is the decisive factor.
  FORBES: Megacities And The Density Delusion: Why More People Doesn't Equal More Wealth

• population size更多例句

詞組短語

短語

• population -size restriction 群落大小限制
• population effective size 群體有效含量
• modular population for size structure 構(gòu)件種群大小結(jié)構(gòu)
• fish population size 魚類族群量
• genetically effective population size 遺傳有效種群大小

• population size更多詞組

專業(yè)釋義

生物學(xué)

• 種群數(shù)量
• 種群大小
• 種群規(guī)模

  The population size is tending to decline which signified M. amoena species is in danger.3.
  種群規(guī)模變小是物種趨向瀕危的特征之一。

• 居群大小
• 群體大小

農(nóng)業(yè)科學(xué)

• 群體大小

  The results showed that the basic seedling,tiller number before winter,total tiller number and the population size all increased as planting density increased in ridge film mulching planting.
  結(jié)果表明,壟溝覆膜栽培下,適當(dāng)提高播種量可以增加冬小麥基本苗數(shù)、冬前分蘗數(shù)、總分蘗數(shù)及群體大小。

• 群體規(guī)模

  Decrease of population size resulted in genetic drift,and weakened the adaption of population,then evolution capacity declined,which lead to be endangerous.14 Endangered A ziyuanensis was caused by the interaction of interior and exterior factors.
  群體規(guī)模的不斷縮小必然會導(dǎo)致遺傳漂變,種群的適應(yīng)能力變差,進(jìn)化潛力衰弱,處于極度瀕危狀態(tài)。

• 種群數(shù)量

  In China, they have been killed at large scale and the population size has decreased dramatically.
  近年來,棕果蝠在國內(nèi)被大范圍捕殺,造成其種群數(shù)量急劇下降。

• 資源量

  We studied the age and growth characteristics, estimated the annual population size and built Beverton-Holt model.
  研究了鲇魚山水庫翹嘴鲌的年齡和生長特性，估算了翹嘴鲌的年資源量，并建立了B-H種群管理模型。

  計算機(jī)科學(xué)技術(shù)

• 群體規(guī)模

  The original parameters such as population size,crossover probability and mutation probability values are based on the experience values.
  原先的參數(shù)如群體規(guī)模、交叉概率、變異概率等都是在經(jīng)驗值的基礎(chǔ)上設(shè)置的。

  經(jīng)濟(jì)學(xué)

• 人口規(guī)模

  The Netherlands was a small country which had a large gap compared to France in the population size, land area and the preliminary development basis.
  荷蘭本是一個小國,其與同時期的法國相比,在人口規(guī)模、領(lǐng)土面積和前期發(fā)展基礎(chǔ)上是有較大差距。

  自然科學(xué)

• 種群規(guī)模

  The experiments show that the proposed genetic algorithm has better performance than the Genetic Algorithm with Varying Population Size.
  實驗數(shù)據(jù)表明,該算法比變種群規(guī)模遺傳算法具有更好的性能。

  地球科學(xué)

• 人口規(guī)模

  Study of population size hierarchy is the groundwork of the city planning. It is important to the population forecast of cities and urban system planning.
  城市規(guī)模分布研究是城市規(guī)劃中的一項基礎(chǔ)性研究工作,對準(zhǔn)確預(yù)測城市人口規(guī)模以及合理確定城鎮(zhèn)體系結(jié)構(gòu)具有非常重要的意義。

• 人口總數(shù)