The amount of drilling data available for building velocity models in a large area appears always too small to extend the velocities in well locations to the whole survey area.
钻井资料与海量的地震数据相比总是显得太少 ，大区域速度场的建立必须借助数学插值方式 ，把井点速度外推至全区。
The amount of drilling data available for building velocity models in a large area appears always too small to extend the velocities in well locations to the whole survey area.
钻井资料与海量的地震数据相比总是显得太少 ，大区域速度场的建立必须借助数学插值方式 ，把井点速度外推至全区。
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