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second moment的英文翻譯是什么意思，詞典釋義與在線翻譯：
英英釋義
Noun:
-
the expected value of the square of the deviations of a random variable from the point of origin
second moment的用法和樣例：
例句
- The parameters of the model are fuzzily processed and the fuzzy risk can be evaluated by using the modified first order second moment method.
通過對模型中的參數進行模糊化處理，用改進一次二階矩法計算了地下水過量開采的模糊風險率。 - The fittings box structure is on the second rectangular and can be optionally opened or closed to hold a second article in the second rectangular.
配件盒結構位于第二次矩形體上，配件盒結構可以選擇性地打開或關閉，以容置一第二物品于第二次矩形體內。
