The population within these developing countries is now increasing at average growth rate of 2% annually, and the growing speed will last to the mid of next century.

这些国家的人口目前正以年均近2％的速度增长，而且预计这种增长速度将保持到下个世纪中页。

youdao

When photosynthesis potential of population, grain filling rate and dehydration speed in mature period were improved, the increasing of yield would be significant.

群体光合性能增强，籽粒灌浆速率高，成熟期脱水速度快，增产效果显著。

youdao

The rapid expansion of the population and the shortage of the land accelerate the reclamation of the wetland. So the range and the speed of the reclamation have an increasing tendency. in2.

人口的急剧膨胀，土地资源紧张矛盾的日益突出，加快了对湖泊的围垦，围垦的范围和速度均有逐年加速的趋势。

youdao

The report mentions other long-term priorities such as ensuring transport links, improving island infrastructure such as the roads, harbours and broadband access and speed, security of energy supply and planning for increasing health and pension costs due to an ageing population.

BBC: Peter Harwood