rarefaction
[,r?r?'f?k??n]
- n. [聲] 稀疏；（氣體）稀薄
GRE
英文詞源
- 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.
雙語(yǔ)例句
- 1. This is called a rarefaction and is represented by widely spaced dots.
- 這個(gè)區(qū)域稱為稀疏區(qū),并用疏散的小點(diǎn)表示.
來(lái)自辭典例句
- 2. The classical elementary waves in Riemann solutions include rarefaction wave, shock wave and contact discontinuity.
- 黎曼解涉及的經(jīng)典基本波包括疏散波 、 激波和接觸間斷.
來(lái)自互聯(lián)網(wǎng)