rarefaction wave

英 美
  • 稀薄波,稀疏波
  • rarefaction n.稀薄;稀薄化
  • wave n.波浪;波纹;波v.挥动;飘动
    1. As a result a reflected wave is sent back into the water, but this is a rare faction wave.
      结果,向水中送回一个返射波,但这是一种稀疏波。