backward moving average

• 后向移动平均

backward moving average的用法和样例：

例句

1. Andre and his men are taken by surprise, and they fire at the moving vehicle.
   安德烈和其手下出其不意地受到攻击，他们向移动中的车开火。
2. Trenches occur along the boundary between two plates that are moving towards each other.
   海沟沿着两个相向移动的板块的边界而产生。