demographic trend

These modifications are necessary aiming at simulating the real system. Then a population model is presented and the demographic trend is forecasted during the next dozens of years.

这部分给出了一个人口模型，并用该模型预测了未来几十年我国的人口结构。

The Formation of Shanghai Metropolitan Area and Its Demographic Traits The New Trend of Shanghai Suburbanization and Construction of Metropolitan Area

上海大都市圈的构建及其人口特征分析上海郊区化的新态势与大都市区的建设

With a population of 1.4bn, part of the issue in China is its scale, says Prof Kohlbacher, although the one-child policy has exaggerated the demographic trend.

科尔巴赫表示，由于拥有14亿人口，中国的部分问题与其规模有关，但独生子女政策又放大了这种人口老龄化趋势。

This could happen either when the favourable demographic trend worsens or urbanisation ends.

当有利的人口统计学趋势恶化，或城市化进程结束时，都可能出现这种局面。

Speaking to a pensions conference in Edinburgh, Mr Coughlan explained there were two kinds of longevity risk: the general demographic trend and scheme-specific risk.

在爱丁堡召开的一项养老金会议上，考夫兰解释道，有两种寿命风险：一般的人口统计学趋势，以及各计划具体的风险。