Depth error in depth migration profile isn't equal to velocity error, sometimes it is twice as many as velocity error.

深度偏移剖面中的深度误差与速度误差并不相等，有时可以达到速度误差的两倍。

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Depth error in depth migration isn't equal to velocity error, sometimes it is twice as many.

深度偏移剖面中的深度误差与速度误差并不相等，有时可以达到速度误差的两倍。

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The refractive index is approximately equal to the ratio of the real depth over the apparent depth.

折射率大约等于实际深度与视深度的比值。

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These events are, of course, related, but it is brave to try and cover them all in equal depth in a single volume.

ECONOMIST: The financial crisis

So let us work together for the worldwide reduction of interest rates and a scale of stimulus round the world equal to the depth of the recession and the dimensions of the recovery we must make.

BBC: In full: Brown's speech to Congress

The Chicago band Pelican came upon its instrumental sound in a bit of serendipity, when its members couldn't find a lead singer equal to the power and depth of their songs' melodies and arrangements.

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