The odd ones out are America and Britain, which both have lots of women at work and fertility rates close to replacement level (with immigration making up the rest).
美国和英国则是例外，它们都有大量工作妇女，且生育率接近替代水平（不足部分有移民补充）。
The target reductions in fertility rates were reached long ago. Current rates, he says, are below replacement levels and are unsustainable.
他说，生育率的下降目标早已实现，现在的生育率已经低于人口替换率，这会导致失衡。
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。
Much of Europe and East Asia have fertility rates far below replacement levels.
而欧洲和东亚大部份地区的生育率已经远远低于替换率了。
In the 1980s and 1990s, breast cancer rates steadily increased, in parallel with the rise in obesity and the use of hormone replacement therapy, which involves estrogen.
在1980和1990年代，乳腺癌发病率稳定地上升，与此同时，肥胖率和激素替代疗法的应用也在增加，激素替代疗法中有涉及到雌激素。
So for three decades, fertility rates have mostly been below the “replacement” level—of just over 2.0 in rich countries.
因此在30年内，有大部分时期，生育率都低于“置换”水平——在发达国家刚超过2.0。
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。
Current rates, he says, are below replacement levels and are unsustainable.
它说到，现在的出生率，低于替代线，并且是不可以持续的。
Conclusion it was shown that blood viscosity at low shear rates can be decreased by certain intensity vibrating movement in ovariectomized rats with appropriate estradiol valerate replacement therapy.
结论雌激素替代治疗结合一定频率和幅度的振动运动，可使低切变率下的全血粘度值明显降低。
International clinical studies have shown higher success rates at ending nicotine addiction than any other nicotine replacement therapy method.
国际医疗机构研究表明：激光戒烟的成功率大大高于其他任何尼古丁替代疗法。
So for three decades, fertility rates have mostly been below the "replacement" level—of just over 2.0 in rich countries.
因此在30年内，有大部分时期，生育率都低于“置换”水平——在发达国家刚超过2.0。
The multiphasic calcium phosphate components in the cement resorb at different rates allowing he timely replacement by new bone.
粘固剂中的多相磷酸钙成分以不同的速率再 吸收，使其由新骨适时代替。
The recurrent rates of replacement for 3 to 6 months and for 7 to 12 months were 38% and 18%, respectively(P<0.05).
撤换时间为3~6个月的复发率为38%，而撤换时间为7~12个月的复发率为18%，两者差异有显著性（P<0.05）。
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。
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。
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