back propagation

• 反向传播法

back propagation的用法和样例：

例句

1. The free transverse vibration in an axially moving beam on fixed support is investigated by wave propagation.
   摘要用波传播法分析研究了两端固支轴向运动梁的横向自由振动。
2. The simulation using the bi-directional beam propagation method proves that the demultiplexer can have very low insertion loss and high isolation ratio.
   藉由双向光束传播法来模拟此元件，结果显示此解多工器具有很低的插入损耗和高的隔离度。