population造句

• War and disease had thinned the population .
  战争和疾病已使人口减少。
• The population gravitates towards the town .
  人口有集中都市的倾向。
• The country needs an educated population .
  该国需要受过教育的国民。
• Famine and war have thinned the population .
  灾荒和战争使人口减少了。
• The earthworm population had declined by 70% .
  蚯蚓数量下降70。
• Population can increase in a geometric ratio .
  人口可以按几何级数增长。
• A group of individuals can be called a population .
  个体的集合称为种群。
• Tenasserim had a very sparse population .
  丹那沙林人口密度不大。
• It influences dispersion of the population .
  它影响种群的扩散。
• The streets are thronged with a population .
  街道上挤满了人群。
• The world population goes up by two percent a year .
  世界人口每年增加2。
• The population density is evened out .
  种群密度亦趋于均匀化。
• The population is thin in this part of the country .
  该国的那一地区人口稀少。
• Demography is the analysis of population variables .
  人口学是对人口变量的分析。
• The population in this area has increased fourfold .
  该地区的人口已增加到四倍。
• Famine decimated the population .
  饥饿使人口大批死亡。
• How do the populations maintain this homeostasis ?
  种群如何能维持这种内稳定状态呢？
• These stars are sometimes called population ii stars .
  这些恒星有时称为星族恒星。
• What is the proportion of men to women in the population ?
  人口中男女的比例是多少？
• Our foreign population is growing .
  外来人口在增长。