The influnce of population growth on social economy and famine vicissitudes.
三、人口增长对社会经济及其灾荒变迁的影响。
参考来源 - 清代山东地区的灾荒与人口变迁Population control:Vigorously control the population growth,and coordinate the relationship between the population and land.
5.人口控制方面:要大力控制人口增长,协调人地关系。
参考来源 - 基于生态足迹模型的南阳市耕地保护战略环境影响评价研究After 9 days of S. avenae (at the beginning of 2nd instar) infestation, the population growth rate of S. avenae in susceptible cultivar Hongmanghong was 94.21%, but in the higher resistant line KOK-1679 was 18.05% .
以2龄麦长管蚜若蚜接蚜9日后,低感品种红芒红上该蚜的种群增长率为94.21%,而高抗品系KOK-1679仅为18.05%。
参考来源 - 小麦—麦蚜—天敌互作关系研究·2,447,543篇论文数据,部分数据来源于NoteExpress
以上来源于: WordNet
The area has seen a rapid population growth.
这个地区人口快速增长。
Population growth is decreasing by 1.4% each year.
人口增长每年下降1.4%。
Most Middle Eastern countries have extremely high rates of population growth.
大部分中东地区的国家都有着极高的人口增长率。
The state-by-state information is not yet complete, but Marc Perry says demographers found a clear trend in population growth.
VOA: special.2011.03.14
If the rate of population growth of the United States between 1820 and 1850 had sustained over time, we'd have today approximately one and a half billion people in the United States.
如果在1820至1850年间,美国人口增长率保持下去的话,今天我们的美国,就会拥有近十五亿人口
If the rate of growth had sustained, that's what the population would've been.
假如高增长率持续的话,我们现在得有多少人口啊
应用推荐