线粒体的退化是花粉败育中最早发生的现象之一。
The degeneration of mitochondria is one of the earliest events in pollen abortion.
“思惟库”这一概念最早发生于西方，二战后大量呈现。
This one concept produces "think tank" most long ago in the west, two postwar great quantity appears.
然而科学家们必须查明最早发生在韦拉克鲁斯州，墨西哥的猪流感病毒的源头。
Scientists have yet to pinpoint the origin of the swine flu virus, the earliest cases of which were found in Veracruz, Mexico.
Kikwit的爆发使200多人丧命，它最早发生在森林中的木炭工人身上。
More than 200 people died in the Kikwit outbreak, which started with a forest charcoal worker.
结果本组病例中，170例(92.90%)发生呼吸衰竭，是MOF中最常见的器官，也是最早发生的器官。
Results 170 cases (92.90%) had respiratory failure. It was the commonest and earliest affair in MOF.
根据中国国家地震局的报告，这次强震最早发生于汶川附近，在当地时间下午2点28分，或者是东部时间上午2点28分。
The powerful initial quake struck at 2:28 p. m. local time, or 2:28 a. m. Eastern time, near Wenchuan County, according to China's State Seismological Bureau.
“它向我们开了一扇小窗，让我们了解地球在最早期所发生的事情”。
It allows us a little window into what was happening on the Earth at its very early stages.
起诉书上还说，这种资金转移方式大部分发生在最近十年，其中最早一个帐户开设于1953年。
Most of the work took place over the last decade or so, though one account was opened in 1953, it said.
但是，最早也得到2015年才可能发生。
But that is unlikely to happen until 2015 at the very earliest.
对该银行产生的最早且最严重的破坏发生在短中期大规模债务中。
The first and most damaging run on the bank took place in its other short- and medium-term wholesale liabilities (see chart 5).
而我们人属（Homo）最早的成员出现于大约240至250万年前。当直立人（Homo erectus）形成时，第一批人族离开了非洲，这一过程大约发生于180万年前。
The first members of our genus appeared between 2.4 and 2.5 million years ago, while Homo erectus, the first hominin to leave Africa, had evolved by 1.8 million years ago.
这组双星最早是在2008时被发现的，有迹象表明其与当时发生的太阳耀斑爆发有关。
The v1309 group was first found in 2008 when it erupted with a large solar flare.
耐药性往往发生在用药最早和用药最长的地区。
Often resistance arises where the drugs were used first and the longest.
微波背景是宇宙最早的形态，它发生在大爆炸之后仅仅300,000年；一般观点认为，其700,000年后第一批星球就已经结合。
The microwave background is the earliest snapshot of the universe, taken a mere 300,000 years after the Big Bang and almost 700,000 years before the first stars are thought to have coalesced.
到目前为止，根据记载，最早的植物基因组加倍发生在1亿3千5百万年前。
Until now, the oldest genome duplication documented for plants occurred about 135 million years ago.
心脏是脊椎动物器官发生过程中最早形成的器官之一。
The heart is one of first organs to form during organogenesis in the vertebrate.
在男性中，最早会在40岁时可发生血液中的睾酮水平降低。
Declining blood levels of testosterone can occur in men beginning as early as age 40.
五次大灭绝中发生最早的一次是奥陶纪末期或者奥陶纪-志留纪大灭绝事件，发生在大约4亿4千4百万年前。许多科学家估计这次规模是五次当中第二大的。
The earliest of the Big Five, the end-Ordovician or Ordovician-Silurian extinction events some 444 million years ago, are reckoned by many to be the second largest.
心脏是脊椎动物器官发生过程中最早形成的结构之一。
The heart is one of first structures to form during organogenesis in the vertebrate.
心脏是脊椎动物器官发生过程中最早形成的结构之一。
The heart is one of the first formed structures during organogenesis in vertebrate.
心脏是脊椎动物器官发生过程中最早形成的结构之一。
The heart is one of first structures to form during organogenesis invertebrate.
古生物学研究表明，现生鸟类的最早出现是在古新世，而爆发性辐射演化发生在新生代早期。
Paleontological studies show that modern avian groups probably first appeared in the Paleocene and experienced an explosive radiation in the early Cenozoic.
一派认为威胁迫在眉睫，另一派认为如果威胁真的存在，那最早也将在本世纪晚些时候发生。
Some see an imminent threat, others believe it won't happen until later this century -- if at all.
这些子代还显示出胰岛素抵抗的征象，这是早发2型糖尿病的征兆，最早可在出生后3周发生。
The offspring also showed signs of insulin resistance, a condition that precedes the early onset of type-2 diabetes, as early as 3 weeks of age.
在时间最早的队列研究中，遗传风险高的人群如果过着不良的生活方式，则有10.7%的人预期可能在10年内发生冠状动脉病变。
Among those at high genetic risk in the oldest cohort study, 10.7 percent could expect to have a coronary event over a 10-year period if they had an unfavorable lifestyle.
在时间最早的队列研究中，遗传风险高的人群如果过着不良的生活方式，则有10.7%的人预期可能在10年内发生冠状动脉病变。
Among those at high genetic risk in the oldest cohort study, 10.7 percent could expect to have a coronary event over a 10-year period if they had an unfavorable lifestyle.
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