optical moment的用法和樣例：
例句
- An explanation of the magnitude of such a dipole moment must seal explicity with two contributing factors.
對這和偶極矩大小的解釋必須明確研究兩個有關的因素。 - The distribution parameters have been estimated with either the maximum likelihood method or a modified moment method.
對其中的參數分別用極大似然法和改進的矩法進行了估計。
