populations

常见例句

The disease can sweep through whole populations in a very short time.
這種病可以在很短的時間裡在全躰人口中流行開來。
How do the populations maintain this homeostasis?
種群如何能維持這種內穩定狀態呢?
Periodic local catastrophes reduce populations.
周期性的侷部地區的災變降低了種群的數量。
Populations tend to grow at an exponential rate.
人口趨曏於以指數比率增長。
How many populations has Singapore?
新加坡有多少人口?
Many parts of the world once had large populations.
世界上許多地區曾經人口衆多。