The authors call their calculations demographic , not political .

报告作者称其计算具有人口统计学性质，而不带政治含义。

Such oversimplifications miss the demographic complexities of sittwe .

这样的过分简单化是忽视了实兑人口统计学上的复杂性。

The brain drain reinforces a demographic trend .

人才流失加强人口统计学的倾向。

Yet official attempts to stop the demographic meltdown have been faltering .

然而政府抑制人口统计学崩溃的努力正渐行渐弱。

The yawning gap between blacks and whites persists across demographic lines .

白人与黑人之间的差异一直延续到人口统计学领域里。