单词：rarefaction
音标：[.rєәri'fækʃәn] ；
n. 稀薄化, 稀薄
[医] 稀疏[状态], 疏松[状态]
[医] 稀疏[状态], 疏松[状态]
n. a decrease in the density of something
词型变化：名词复数形式 : rarefactions
考试类型：[GRE]
考试类型：[GRE]
词性分布：
rarefaction的用法和样例：
例句
用作名词(n.)
- Simulation results show that rarefaction effect plays an important role in gas damping, which decreases as Kn Number increases.数值模拟结果表明，稀薄效应对气体阻尼的影响较大，随着克努森数的不断增大，气体阻尼逐渐减小。
- Several applications require consideration of rarefaction, which motivates the present thesis to focus on simulation of driven cavity flows in this region.因此本文的动机是模拟空穴流场在稀薄区域上的应用。
词汇搭配
- rarefaction wave稀薄波,稀疏波...
- rarefaction of bone骨质疏松