A multicast address is not valid for a tunnel server.
多播地址对一个隧道服务器无效。
The custom attribute is not valid for the target object's type.
自定义属性对于目标对象的类型无效。
The storage class is not valid for the global-scope identifier.
该存储类对于该全局范围标识符是无效的。
You have to be careful that this first law of Newton is not valid for everybody.
大家需要注意的是,牛顿第一定律并非所有情况都适用
So, hopefully that kind of clears up that question. And, of course, when the velocity actually is zero, this equation that the de Broglie has put forth is valid for anything that has momentum, so if something does not have any velocity at all, it actually does not have momentum, so you can't apply that equation anyway.
能回答你的问题,当然,如果速度真的是零的话,德布罗意提出的这个方程,只对有动量的物体成立,所以如果一个东西没有速度,它没有动量,也就不能应用这个方程。
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