rarefaction

基本解釋

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。
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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.
潰壩洪水波通常為迅變或間斷流動(dòng)，同時(shí)兼有急流和緩流、壓縮波和稀疏波等流態(tài)。
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(guó)數(shù)學(xué)家波萊爾的有關(guān)工作為核心，重點(diǎn)考察了他提出零測(cè)集的思想背景，提出零測(cè)集漸近測(cè)度和稀疏度的思想演變過程、思想方法及影響。