The paper constructed a time depth conversion model of plane wave propagation in two layer medium.

本文构造了一种在二层介质中平面波传播的时—深转换模型。

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Considering that Chinese has the largest number of speakers in the world and the greatest time depth in its literature, this interest is long overdue.

对于这门拥有世界上使用人数最多、文学历史最悠久的语言来说，这股学习热潮早该出现了。

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Using time depth conversion and depth migration technologies for data processing, more proper structural imaging profiles in steep structure were obtained.

高陡构造资料处理采用层速度时深转换技术和射线深度偏移技术，将得到比较准确的构造成像剖面。

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The website also provides information on areas showing time depth, the use of land over thousands of years.

BBC: Website reveals hidden landscape in Caithness

What we're watching: Discovery HD Atlas continues, this time taking an in depth look at the history of Italy.

ENGADGET: HDTV Listings for October 8, 2006 HD

You might want to take a cue from Samsung and IBM and invest some time for in-depth meetings with your boss, your clients, your colleagues, your vendors, and others whose objectives and preferences you might take for granted.

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