常見例句雙語(yǔ)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)式里代表一個(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.提升機(jī)閘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。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(gè)隨機(jī)變量X的期望值E,我應(yīng)該提到過(guò),隨機(jī)變量是一個(gè)可以取值的數(shù)耶魯公開課 - 金融市場(chǎng)課程節(jié)選 返回 variable quantity