During this critical phase, there will be too few young, productive people who can produce the prosperity required to care for the country's aging population.

在那个紧要阶段，将会有太少的年轻，有生产力的人可以营造能够负担照顾这个国家老年人口的富足。

youdao

Numerical simulation also has shown that the time-delay between neurons has enhanced the phase synchronization and changed the firing patterns of neuronal population.

数值分析的结果表明神经元之间的时滞相互作用可以增强神经元集群的相同步活动和改变神经元集群的放电模式。

youdao

Results: Public health policy on Beijing floating population could be divided into initiative phase, adjustment phase and improvement phase.

结果：北京流动公共卫生政策可以划分为起步建设、控制调整、管理向服务转化这三个阶段。

youdao

Diplomats and observers warn that this could be the deadliest phase of the war, as the army tries to target the rebels mixed in the civilian population.

VOA: standard.2009.04.06

They go further and point to, just as one example of their argument, the way in which population rise could lead to a phase change, a chaotic and of unknown outcome, rapid and irreversible change in our environment.

FORBES: Nature on Uncertainty: Climate Change is Less Important Than We Thought

The first phase of results shows a breakdown of population by age, sex and nationality.

BBC: Census graphics