rarefaction

英[ˌreərɪ\'fækʃn]

美[ˌrɛrəˈfækʃən]

基本释义

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.

互联网

Noun

1. a decrease in the density of something;
"a sound wave causes periodic rarefactions in its medium"