population replacement level的意思|示意
人口置换水平
population replacement level的网络常见释义
更替水平 ... 劳能量物质 labor force 更替水平 population replacement level 屯子残剩劳力的转移 the transfer of rural surplus labors ...
替代生育水准 ...，世代间要达成完全替代，每名妇女生育 率必须达要2.1 人以维持稳定人口结构的「替代生育水准( Population replacement level)，在 2008 年的调查显示，世界上有 70 个以上的国家或地区，其生育率未达 此替代率标准，多數先进国家的生育率远低于此，部分甚至...
population replacement level相关例句
The fertility rate is the number of children a woman can expect during her lifetime; 2.1 is the replacement level, the point at which the population stabilises.
人口出生率是指女性一生预期生养的儿童数目；2.1是更替水平，人口在这一点上保持稳定。
That number, the so-called replacement rate, is usually taken to be the level at which the population eventually stops growing.
1被称作是替换率，这通常被作为人口最终会停止增长的生育率水平。
The reason is that widening replacement-level fertility means population growth is slowing down anyway.
理由是生育等值交换水平的扩展表明人口增长不论怎样还是在减速。
Replacement rate — The level of total fertility that is compatible with a stationary population.
替换率——用来协调静止人口的总出生率级别。