弘扬国学 · 传承文化

rarefaction

[,rɛrə'fækʃən]

解释

n. [声] 稀疏；（气体）稀薄

※ 提供单词"rarefaction"的中文意思、发音示范及音标对照，中英文词源、例句和用法等。

英文词源

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.

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例句和用法

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.

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.