根据可压缩情况下的流体力学方程组，导出垂直切变风场中大气声重波的谱方程。

By using the compressible hydrodynamic equations, a spectral equation describing propagation of AGW's in a region of vertical wind shear is derived.

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其特点是整体有序，组内无序，韧性剪切变形强烈。

The rock group is characterized by a general order but internal disorder because of intense ductile shearing deformation.

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