在简介部分已经提到，我们假定客户注册服务不可用并且所有调用都返回异常。

As already mentioned in the introduction, we assume the customer registration service is not available and all calls return with an exception.

youdao

其他任何密钥类型必须已经通过内核服务向内核注册，然后才能使用。

Any other key type must be already registered with the kernel via a kernel service.

youdao

我被告知，我已经注册，可以使用你们提供的在线服务调度解决方案。

I was informed that I had been registered to use your online service scheduling solution.

youdao