decline in population的意思|示意

Beginning in 2004 the percentage of the world's population that became ill with TB in a given year flattened and then began a slow decline.

从2004年开始，在给定的年份中全世界因结核病而病倒的人口百分比不再增长，随后开始缓慢下降。

In developed areas, neither does the number of population decline nor inclines drastically.

在发达地区，人口数量既没有答复下降，也没有答复上升。

Secondly, the marriage age in the West is rising, which contributes to the decline in population there.

其次，西方国家结婚年龄在上升，这也促使了人口的下降。

In 1998, the labor force started to shrink, and a decade later, the country's population began to decline.

到了1998年，劳动力人数开始缩水，并且十年之后，国家人口数开始下降。

These fish and snails have themselves experienced a decline in population because of overfishing by humans.

由于人类的过度捕捞，这些鱼和蜗牛的数量已经有所下降了。

The question of whether the decrease in plant fecundity caused by the spraying of pesticides actually causes a decline in the overall population of flowering plant species still remains unanswered.

喷洒杀虫剂导致的植物繁殖力下降是否真的会导致开花植物物种总数的下降，这个问题仍然没有答案。