variable quantity

常见例句

雙語例句

• Secondly, the number of unusual words in any author is a variable quantity.
  其次，一些不尋常的詞作者是在任何一個變量的數量。
• A symbol that is used in mathematical or logical expressions to represent a variable quantity .
  用在數學或者邏輯表達式裡代表一個可變量的符號。
• Because the brake clearance is influenced by axis moving, the swing of disk brake, its result is a variable quantity.
  提陞機牐瓦間隙大小受到軸竄、偏擺等的影響，所以其值是一個動態變化的量。

原聲例句

• The basic definition-- the expected value of some random variable x--E--I guess I should have said that a random variable is a quantity that takes on value.
  最基本的定義,某一個隨機變量X的期望值E,我應該提到過,隨機變量是一個可以取值的數
  耶魯公開課 - 金融市場課程節選
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