基本上，当相同频率的声波从墙壁上反射并从相反方向相遇，就会出现驻波现象。
Basically, the phenomenon of Standing Waves occurs when sound waves of the same frequency reflect off the walls and meet from opposite directions.
如果您的应用程序要求从远程队列管理器上返回消息，则需要在两个队列管理器之间定义另一个相反方向的通道。
If your application requires messages to be returned from the remote queue manager, you need to define another channel to run in the opposite direction between the queue managers.
这个拷问台的用法跟你看到的图一模一样：它把你的身体向反方向拉扯，直到你的四肢慢慢地从关节连接处脱出来。
It does exactly what it looks like it does: the rack pulls your body from end to end until your limbs are slowly plucked from their joints.
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