rarefaction

[,rɛrə'fækʃən]
  • n. [声] 稀疏；（气体）稀薄
GRE
rarefaction
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英语词源

rarefaction (n.)
c. 1600, from Middle French raréfaction or directly from Medieval Latin rarefactionem (nominative rarefactio), noun of action from past participle stem of Latin rarefacere (see rarefy). Used chiefly in reference to gases.

权威例句

1. 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.

来自辞典例句

2. 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.

来自互联网

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