你漏了这一段。

来源: 于 2019-07-05 18:49:25 [旧帖] [给我悄悄话] 本文已被阅读：次

 

  • Limitations and Exceptions: Annual data series from United Nations Population Division's World Population Prospects are interpolated data from 5-year period data. Therefore they may not reflect real events as much as observed data.