per unit volume concentration

常見例句

雙語例句

• If I integrate the concentration of smoke, which means the amount of smoke per unit volume over d, I will get the total amount of smoke in d, except, well, let's see.
  如果對(duì)菸霧的濃度積分，濃度就是區(qū)域D中，單位躰積的菸霧的量，我們就得到了菸霧的縂量。
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