group moment

• 基矩

group moment的用法和样例：

例句

1. Individually, the children are quite nice, but in a group they badly behave.
   这些孩子单独呆著时都挺不错，可是聚在一起就没规没矩了。
2. An explanation of the magnitude of such a dipole moment must seal explicity with two contributing factors.
   对这和偶极矩大小的解释必须明确研究两个有关的因素。