symmetric difference

• 对称差分

symmetric difference的用法和样例：

例句

1. A novel algorithm for moving detection, which employed adaptive background subtraction and symmetrical differencing method, was presented.
   摘要提出一种基于动态阈值对称差分和背景差法的运动对象检测算法。
2. A novel algorithm for moving detection, which employed adaptive background subtraction and symmetrical differencing method, was presented.
   摘要提出一种基于动态阈值对称差分和背景差法的运动对象检测算法。