The anisotropic effect is controlled by the lithologic characteristics, and apparent for slate and phyllite, while not for the other two kinds of rocks, mylonite and metasandstone.

 
  • 在试验所用的4种岩石中,板岩和千枚岩的波速比的各向异性明显,而糜棱岩和变质砂岩则不甚发育。
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