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。
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。
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。
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。
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