they are on target to achieve a replacement rate of between 35% and 55%, depending on the country.
而他们能够得到的目标替换率根据国家不同将介于35%至55%之间。
Sometime between 2020 and 2050 the world's fertility rate will fall below the global replacement rate.
世界人口生育率将在2020至2050年期间降至世界生育替代率水平以下。
America is the only rich country that, having fallen below the replacement rate, has risen back above it.
美国是发达国家里唯一一个先是跌破更替生育率，后又反弹超出的国家。
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。
In Japan, for instance, birth rates fell below the replacement rate of 2.1 children per woman in the mid-1970s and have been particularly low in the past 15 years.
比如在日本七十年代中期，出生率降至相当于平均每个妇女生2.1个孩子以下，而且在过去的15年里一直明显的偏低。
The influence of recycled coarse aggregate replacement rate on properties of concrete with the same slump is discussed in the paper.
系统研究了坍落度相同的情况下再生粗骨料取代率对混凝土基本性能的影响。
The American fertility rate is around the replacement rate of 2.1, compared with 1.4 for Germany and Italy, where populations are in decline.
美国的出生率为 2.1 ，很接近人口更替率，但是德国和意大利的出生率只有 1.4 ，也就说人口数量在下降。
At present 1.5 babies are born for every European Union woman, when two births are required for the population "replacement rate" to be maintained.
目前欧盟国家的妇女平均生1.5个孩子，而为了保持人口替代率，每个妇女至少要生2个孩子。
The main conclusions: 1. With the increase of recycled aggregate replacement rate, the seismic performance of recycled concrete frame is decreased.
主要结论：1。随着再生骨料取代率的增加，再生混凝土框架的抗震性能有所降低。
The analysis show that the influence given by the area replacement rate is very little, while the modular ratio of pile and soil is a important influence factor.
分析表明：面积置换率对桩土应力比的取值影响不大，桩土模量比是影响应力比取值的重要因素。
In Japan, for instance, birth rates fell below the replacement rate of 2.1 children per woman in the mid1970s and have been particularly low in the past 15 years.
比如在日本七十年代中期，出生率降至相当于平均每个妇女生2.1个孩子以下，而且在过去的15年里一直明显的偏低。
the fertility rate of half the world is now 2.1 or less—the magic number that is consistent with a stable population and is usually called “the replacement rate of fertility”.
世界上一半的地区，生育率仅为2.1%，甚至更低。这一比率通常被称作“生育替代率”，标志着人口数量的稳定。
Fertility rates in many European nations and Japan have dropped below the replacement rate, causing concern that shortages of labor and productivity could threaten the quality of life.
许多欧洲国家和日本的生育率已经下降到人口置换率以下，这让人们担心，劳动力短缺和生产力下降将威胁生活质量。
The utility model is capable of protecting bicycles and preventing slow operation of elements, high replacement rate and bad impact on decorative effects caused by rust of the bicycle.
本实用新型可以保护自行车，阻止因自行车生锈而引起的部件运转缓慢，更换率增高，影响美观等问题。
The utility model is capable of protecting bicycles and preventing slow operation of elements, high replacement rate and bad impact on decorative effects caused by rust of the bicycle.
本实用新型可以保护自行车，阻止因自行车生锈而引起的部件运转缓慢，更换率增高，影响美观等问题。
应用推荐