The origin time should be a few seconds before the time of the wave at the first station.
地震的起源时间应该比到达第一个站点的时间早几秒钟。
Are The Times for each station systematically early or late, requiring a shift in the origin time?
每个站点的时间是否都或早或晚？需要改变发生的时间？
Using cumulative probability to estimate the possible stage of earthquake occurrence can fulfill the origin time of Markov chain.
用累积概率表示发震的可能程度可作为马氏链预测发震时间的补充；
We want to find the location, depth and origin time of an earthquake whose waves arrive at The Times measured on each seismograms.
我们想通过地震仪记录地震波经过的时间，确定震源的地点、深度和发生时间。
By theory and correlation analysis, this paper discusses the origin time of Chinese block-printing. From the research results of Mr.
本文从理论分析与相关分析相结合的角度，探讨中国雕版印刷起源的时间。
It is feasible to infer the specific shape of a fault scarp with the help of its average diffusion age and origin time of the scarp.
无论是单一型断层崖还是复合型断层崖，通过断层崖的平均扩散年龄和初始错断时间，就能推断出它在某一时刻的具体形态。
However, the origin time inferred by molecular clock is always earlier than that by the fossil record. This approach is still controversial.
然而，利用分子钟方法所得出的不同门类起源时间总是早于化石记录，因此分子钟与化石记录的矛盾仍十分突出。
Let's guess an origin time of 10 seconds, measured on the same clock that made the time scale at the bottom of the figure and timed the seismograms.
让我们猜测地震的起源时间为10秒，在同一个钟上测量，使得时间刻度在图表的底部，让地震图同步时控。
The major features of this method are: (1) it separates estimations of focal depth and origin time from estimations of epicenter location corrections;
此方法的主要特点是：1。震中位置与震源深度、发震时刻分离求解；
The evidence from molecular clocks, fossils and geographic distribution data on the origin time of angiosperms has been greatly accumulated in the past two decades.
分析了用于推测被子植物起源时间的分子、化石和地理分布证据。
Combining the earthquake cases, the prediction efficiency is evaluated, result indicates that the predicted origin time range is 1 ~ 12 month, the average is 5.1 month.
结合震例，对预测效能进行了评价。检验性预测结果表明，预测的发震期限为1 ~ 1 2个月，平均5.1个月。
If surviving copies are few, the stemma perforce brings into proximity manuscripts that were widely separated in time and place of origin.
如果现存的手稿很少，家谱就必须纳入那些在时间和族地都分散的手稿。
What I do find interesting is the origin of the universe, the shape of space-time and the nature of black holes.
我真正感兴趣的是宇宙的起源、时空的形状和黑洞的性质。
As the evolution into three species would have taken extreme lengths of time, combined with the lack of fossil records in Africa, the team concludes that Asia was the most likely origin.
由于要进化成三个不同的物种需要特别漫长的时间，结合在非洲没有发现有关化石的记录，考古队得出结论，亚洲是该物种最有可能的起源地。
The origin of western theatre goes back into the mists of time but seems to have begun to take recognizable shape about 2600 years ago in greece-and wine was a key ingredient.
西方戏剧的起源已经消失在历史的迷雾当中，但似乎在大约2600年以前的希腊，它已经有了我们熟悉的样子，——葡萄酒是其中一个关键因素。
Birds evolved from dinosaurs, but the origin of their feathers may trace back even deeper in time, to the common ancestor of dinosaurs and pterosaurs, like the fossil at left.
鸟类是从恐龙进化而来的，但羽毛的起源则要追溯到更为久远的上古时代，恐龙和翼手龙的共同祖先才是羽毛出现的源点，例如上图左边的这块化石。
The Canary islands are all volcanic in origin, but are not unique in this respect - the Hawaiian islands are also volcanoes that built up over time and breached the surface.
加那利群岛原本都是火山，但在这方面它并非独一无二的——夏威夷群岛也都是火山，这些火山随时间逐渐升高，最终突破了海平面。
Such work has helped put Boston and Cambridge among the elite centers of studies of life’s origin, and Szostak is now devoted essentially full-time to synthesis of life.
这种工作促使波士顿和剑桥成为研究生命起源的精英中心，绍斯塔克现在基本上把全部时间用在生命合成上。
Now Nowak is out to do it again, this time by modeling the origin of life.
现在Nowak尝试把它再做一遍，而这一次，是为生命的起源建模。
However, in real time, the universe will appear to begin at the Big Bang, "Hawking said, referring to the explosion thought to be at the origin of the universe."
然而，在真实时间概念中，宇宙显得像是从大爆炸开始的。
At this time he knew nothing of Wells's and Matthew's accounts of natural selection; indeed, both accounts languished in obscurity until after the "Origin" was published.
此时他对马修和威尔士关于自然选择的阐述一无所知；事实上，直到《物种的起源》发表这两人一直默默无闻。
The origin of this phrase is linked with an early British practice, at a time when forests were still the exclusive property of royalty.
这个成语的来由是和早先英国的一个行为有关，那时候森林还是皇家的专属财产。
Please send us your best offer by fax indicating origin packing, quantity available and the earliest time of shipment.
请用电传给我们报最好价，并说明产地、包装、可供数量及最早发货日期。
At age 34, she decided it was time to solve the mystery of her origin and she began the search. It took her three years.
但纵观一生，34岁的苯妮感到无根可依，她决定解开生存之秘，这耗费了她三年时间。
After that time, caches will always check back with the origin server to see if a document is changed. Expires headers are supported by practically every cache.
过了这个时间，缓存器就会向源服务器发送请求，检查文档是否被修改。
The answer varies according to time and place of origin.
不同的年代，不同的出生地的人对这个问题有不同的答案。
Darwin presented compelling evidence for evolution in on the Origin and, since his time, the case has become overwhelming.
达尔文在《物种起源》中给进化提出了令人信服的证据，并且自从他的时代以来，情况已经变得势不可挡。
I heard on the radio the other day that the origin of the phrase "drunk as a Lord" came from a time when the aristocracy were the ones with the time and money to get boozy.
又有一天，我在广播里听到，“drunkasalord”(酩酊大醉)这一短语源于一个特定时期——在那时，贵族总是把时间和金钱花费在买醉上面。
What we don't know is if the Big Bang is the ultimate origin of time or whether there was a time before that." (Read the Plus article What happened before the Big Bang? for more on this subject.)
我们不知道的是大爆炸是不是时间的开始或者时间在大爆炸之前就有了。
This estimated time of origin is decades earlier than the previous estimate of 1930.
此次估计的起源时间比原以为的1930年要早数十年。
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