discrete selection

• 离散选择

discrete selection的用法和样例：

例句

1. Discrete data is not necessarily homogeneous, and discrete selection is not necessarily contiguous.
   离散数据不一定是同一类的，离散选择也不一定是连续的。
2. To move a discrete selection, the user must click and drag on the object in a single motion.
   为了移动一个离散选择，用户必须在单个操作中完成对对象的单击和拖动。