翻译
  • 简明词典
  • 柯林斯词典
  • AI释义
  • AI解词
  • 牛津词典
  • rarefaction

    GRE

    • 英 [ˌreərɪ'fækʃn]
    • 美 [ˌrɛrəˈfækʃən]

    释义

    • n.
      变稀薄,稀薄
  • 实用场景例句

    • 全部

    This is called a rarefaction and is represented by widely spaced dots.

    这个区域称为稀疏区,并用疏散的小点表示.

    辞典例句

    The classical elementary waves in Riemann solutions include rarefaction wave, shock wave and contact discontinuity.

    黎曼解涉及的经典基本波包括疏散波 、 激波和接触间断.

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  • 英英释义

    Noun

    • 1. a decrease in the density of something;

      "a sound wave causes periodic rarefactions in its medium"

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