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。
Sometime between 2020 and 2050 the world's fertility rate will fall below the global replacement rate.
作为卖空交易的替代选择，你还可以购买信贷违约掉期。这是债务保险的一种形式，担保的未必是你自己的债务。
As an alternative to short selling, you can buy a credit default swap, which is a form of insurance on debt-not necessarily your own debt.
气候变化改善了英国本来不太适合葡萄的气候。葡萄收获期提前，喜爱阳光的法国品种替代了酸涩的德国品种。
Climate change is improving once-uncongenial British conditions; harvests are earlier and sun-hungry French varieties are replacing hardier Germanic vines.
“感觉好像去年10月份(银行业恐慌高峰期)是提出替代性前景的黄金时机，”她说。
"It felt like last October [the peak of the banking panic] was the golden moment to put forward an alternative vision," she says.
微型停滞期后，我们有替代者来填补空缺，但此刻我不会详述方式。
We have replacements in place for after the mini stasis, but I will not detail how at this point.
第三，互联网将替代人们对公共图书馆的需要，美国公共图书馆将进入一个衰退期，进而消亡。
Thirdly, the Internet will replace American library and American library will go into a declining period and further wither away.
走路：走路是一种替代轻松跑的极好运动，特别是您在长距离跑和速度训练之后的恢复期。
Walking: Walking is a good activity to substitute for an easy running day, especially if you're recovering from a long run or speed workout.
许多证据提示术中淋巴结清扫术可以安全的进行，而且应该替代采样淋巴结切除成为确诊可疑性N2期肿瘤更有效的方法。
Intraoperatively, a growing body of evidence suggests that lymph node dissection can be performed safely, and should replace sampling as a more effective means of identifying unsuspected N2 disease.
由于反式脂肪在食品加工中能够延长保质期，稳定风味，并替代天然固体脂肪和液体油脂，所以在食品工业中非常引人关注。
Trans fats are attractive for the food industry due to their extended shelf life and flavour stability, and have displaced natural solid fats and liquid oils in many areas of food processing.
在围绝经过渡期出现不规则出血和绝经症状可以用雌-孕激素替代疗法治疗。
C. Irregular bleeding and menopausal symptoms during this perimenopausal transition may be treated by estrogen-progestin replacement therapy.
目的：观察血友病关节炎患者行人工膝关节置换围手术期凝血因子替代治疗的安全性和有效性。
OBJECTIVE:To summarize the safety and validity of coagulation factor replacement in hemophilic arthritis patients undergoing total knee arthroplasty(TKA).
文章提出了“无故障使用期”的理论模型并分析了其替代“保修期”承诺可能产生的正效应。
This paper has offered a theoretical model on Non-Failure Time and analyzed its possible positive effects after replacing Guarantee Period.
众所周知，竹子的成材期只需4 - 6年，而一棵树的成材至少是20年以上，因此，在很多领域，竹子已成为替代木材的重要资源。
As we all know, the slow maturation of bamboo only 4-6 years, a tree is at least 20 years to become useful, therefore, in many areas, bamboo has become an important alternative to timber resources.
众所周知，竹子的成材期只需4 - 6年，而一棵树的成材至少是20年以上，因此，在很多领域，竹子已成为替代木材的重要资源。
As we all know, the slow maturation of bamboo only 4-6 years, a tree is at least 20 years to become useful, therefore, in many areas, bamboo has become an important alternative to timber resources.
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