proportion of old population

 
       
  • n. 老齡人口比重

proportion of old population的用法和樣例:

例句

用作名詞 (n.)
  1. The proportion of regular smokers increases with age.
    習慣吸煙的人口比重隨年齡的增長而上升。
  2. China's population continues to grow,the proportion of the aged is getting larger,and the pressure on employment and social security is mounting.
    人口總量繼續增加,老齡人口比重上升,就業和社會保障壓力增大。

proportion of old population的相關資料:

臨近單詞

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