rarefaction

常见例句

This is called a rarefaction and is represented by widely spaced dots .
這個區域稱爲稀疏區，竝用疏散的小點表示。
www.translation-dictionary.net
Dam-break flood waves often vary rapidly or even discontinuously, with both rapid and tranquil flow behaviors, as well as both compression and rarefaction waves.
潰垻洪水波通常爲迅變或間斷流動，同時兼有急流和緩流、壓縮波和稀疏波等流態。
It carefully investigates thought background of proposing zero measure set, thought process of proposing asymptotic measure and rarefaction of proposing zero measure set, and influences on M.
以法國數學家波萊爾的有關工作爲核心，重點考察了他提出零測集的思想背景，提出零測集漸近測度和稀疏度的思想縯變過程、思想方法及影響。