这个方法使用来自远地地震的地震波的速度以绘制地壳和上地幔的3 - D图像- - -和医学CT扫描仪用X射线绘制人体的方法相似。

This method USES the speeds of seismic waves from distant earthquakes to map features of the crust and upper mantle in 3-d-similar to the way medical CT scans use x-rays to map the human body.

youdao

这个方法使用来自远地地震的地震波的速度以绘制地壳和上地幔的3 - D图像- - -和医学CT扫描仪用X射线绘制人体的方法相似。

This method USES the speeds of seismic waves from distant earthquakes to map features of the crust and upper mantle in 3-d-similar to the way medical CT scans use x-rays to map the human body.

youdao