The level of population quality and economic progress have close relationship.

Historical changes have taken place in the pattern of population reproduction.

人口再生产类型实现历史性转变.

First, the population reproduction pattern has undertaken a historical change.

首先, 人口再生产类型实现了历史性转变.

A historic transition has been achieved in the population reproduction pattern.

实现了人口再生产类型的历史性转变.

I happen to have the latest population statistics with me.

我手头正好有最新的人口统计资料.

The problem, though, is that these are population studies.

问题是这些仅仅是人口调查.

As populations increase, the demand for water grows accordingly.

随着人口的增长, 用水量也相应增加.

At high populations aggressive individuals will be relatively more fit.

在高的种群中,侵犯性个体将有更强的适应性.

We study samples in order to be able to describe populations.

为了了解总体,必须研究样本.

Wild populations of trees usually carry a large " genetic load ".

树木的野生群体往往具有大量的 “ 遗传负荷. ”

History is replete with examples of populations out of control.

历史上人口失控的例子比比皆是。

Nonexposure of susceptible plant populations to their pathogens is fairly common.

感病的植物群体不暴露在它们的病原之下,这是相当普遍的.

Discontent and populism may now form a vicious circle, both causing economic failure and worsening it.

不满和民粹主义现在可能形成一个恶性循环, 两者都能引起经济失败,并使之更加恶化.

A little populism can be a mercy.

少许的民粹主义可以起到怜恤的作用.

...a wave of populism.

平民主义的浪潮

Such populism has painted politicians, notably in Germany, into a rhetorical corner.

这些民粹主义言论将欧盟(尤其是德国)官员置于自相矛盾的境地.

But , all that, there are good reasons for taking the resurgence of populism seriously.

但尽管如此, 仍然有许多很好的理由来认真对待民粹主义的兴起.

But some of his policies carry a whiff of populism.

但他的政策也带着一点民粹主义.

The fires of populism are burning ever more brightly.

民粹主义的火焰越烧越旺.

a party of populists

民粹党

And do not forget populism and protectionism.

同时别忘了人民党和保护主义.