由于中世纪温暖期的中点约为850年，因此邦德循环的延长将使下一个温暖间隔的中点出现在二十四世纪。
Because the midpoint of the Medieval Warm Period was about 850, an extension of Bond's cycles would place the midpoint of the next warm interval in the twenty-fourth century.
现在70- 80%的蚜虫都有了这种耐药性，蚜虫导致的马铃薯晚疫病，现在出现比以往提前一个月来，所以蚜虫在植株的脆弱期就开始啃噬植株。
Now 70-80% do. The aphid that causes potato blight now appears a month earlier than it used to, so it feeds on the plant at a more vulnerable point in its life.
一个关键的特征是这些生理状况可能也会在黄体期外出现。
A key feature is that these conditions may also be present outside of the luteal phase.
自从几十亿年前地球上出现第一个生命开始，气候就剧烈地变化着，时常是从一个时期突然进入另一个时期——从炎热的湿季到冰冻期。
From the moment life began on the planet billions of years ago, the climate has swung drastically and often abruptly from one state to another - from tropical swamp to frozen ice age.
抑郁症出现在青春期，一个人经历巨大改变的阶段。
Depression can occur during adolescence, a time of great personal change.
其中一个理论说，大细胞生物、很可能还有多细胞生物死后沉入海底所散发的气体导致了这个冰河期的出现。
One theory is that the glaciation was triggered by the evolution of large cells, and possibly also multicellular organisms, that sank to the seabed after dying.
应急期结束后，是一个灾后新时期，可以持续几个月，将会出现不同的问题需要幸存者来面对。
The acute phase is over and now a new post-disaster phase, that can last months, emerges with different problems facing the survivors.
如果第一个现金流出现在第一期的开始，则第一个值必须加到NPV结果中，而不是包含在NPV计算中。
If your first cash flow occurs at the beginning of the first period, the first value must be added to the NPV result, not be included in the NPV calculation.
过去一个世纪出现了两个明显的气候变暖期，一个发生在1900- 1945年，另一个在1975 - 1998年间。
The past century witnessed two distinct warming periods, one occurred from 1900-1945, and another from 1975-1998.
有时候商品出现滞销，营业额不高，似乎已经处于一个瓶颈期。
Sometimes there unsalable goods, turnover is not high, seems to have a bottleneck in the period.
下个星期，他们都将出现在AT P世界巡回赛总决赛的伦敦O2竞技场。这是世界排名前8的选手在冬歇期前，对今年最后一个利润丰厚的比赛的角逐。
Next week, at the O2 Arena in London, they will both play in the ATP World tour Finals - when the top eight men gather for one last lucrative tournament before their brief winter break.
我以为我下载了一个免费试用期，但一个窗口不断出现，并要求登记的关键。
I thought I downloaded a free trial but a window keeps popping up and asking for a registration key.
到2020年至2025年期间可能会出现一个戏剧性的增长。
伴随着私家车的普及，一个新的问题出现了。交通太繁重了，特别是在交通高峰期。
With the popularity of private cars, a new problem has arisen that the traffic is too heavy, especially during rush hours.
在这一时期总会出现一个购物潮。
此后，临床上出现一个相对健康的、长短不等的、无症状的潜伏期。
Since then, the clinical emergence of a relatively healthy, the length ranging from asymptomatic incubation period.
此后，临床上出现一个长短不等的、相对健康的、无症状的潜伏期。
Since then, the clinical duration ranging from a relatively healthy, asymptomatic incubation period.
此后，临床上出现一个长短不等的、相对健康的、无症状的潜伏期。
Since then, the clinical emergence of a length ranging from a relatively healthy, asymptomatic incubation period.
此后，临床上出现一个长短不等的、相对健康的、无症状的潜伏期。
Since then, the clinical emergence of a length ranging from relatively healthy, asymptomatic incubation period.
所以，我们今天即将度过的是一个静态平衡期（aperiodofstasis），而不是一个两极分化意识有所提高或者可以界定的两方真正出现激烈冲突的时期。
So what we're going through today is a period of stasis, rather than a period with any heightened sense of polarisation or any real sharp clash between definable sides.
前驱链球菌感染被察觉后，从链球菌感染到肾炎症状出现，大概还有一个一至三周的潜伏期。
When the preceding streptococcic infection is recognized, a latent period of roughly 1 to 3 weeks ensues between its onset and the appearance of symptoms of nephritis.
第二个太阳问题会周期性地出现在新闻简报中，例如2010.5.9的184期新闻简报，拍摄了另一个不可否认的日出。
Periodically the Second sun issue is revisited in this newsletter, for instance on May 9, 2010 in issue 184, when another undeniable sunrise capture was taken.
在第一个四周期间，FTC–TDF组对象出现反胃现象比安慰组更为频繁（P<0.001）。
Nausea was reported more frequently during the first 4 weeks in the FTC–TDF group than in the placebo group (P<0.001).
在第一个四周期间，FTC–TDF组对象出现反胃现象比安慰组更为频繁（P<0.001）。
Nausea was reported more frequently during the first 4 weeks in the FTC–TDF group than in the placebo group (P<0.001).
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