variable quantity
常見例句
- 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(gè)變量的數(shù)量。 - A symbol that is used in mathematical or logical expressions to represent a variable quantity .
用在數(shù)學(xué)或者邏輯表達(dá)式裡代表一個(gè)可變量的符號(hào)。 - Because the brake clearance is influenced by axis moving, the swing of disk brake, its result is a variable quantity.
提陞機(jī)牐瓦間隙大小受到軸竄、偏擺等的影響，所以其值是一個(gè)動(dòng)態(tài)變化的量。 - 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(gè)隨機(jī)變量X的期望值E,我應(yīng)該提到過,隨機(jī)變量是一個(gè)可以取值的數(shù)
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