本次活动每个注册用户名每天给同一个参赛者限投一次票。

This activity each registered user name a day to the same participants limit vote.

youdao

但首先要做的是在测试注册中心获得一个注册的用户名。

But the first thing you need is to have a registered user name in the test registry.

youdao

您将看到一个错误，表明服务不能在用户注册表中找到给定的用户名和密码。

You will see an error indicating that the service failed to check the given username and password in the user registry.

youdao

So what you'll see in problem set 0 or problem set 1 is that you'll soon have access to what we call the CS50 cloud which is a bunch of servers that live on campus and on which you will all have a username and password.

所以你在习题集0或习题集1上看到的,访问“CS50云“,就是一些校园服务器,你可以注册一个用户名和密码。

哈佛公开课 - 计算机科学课程节选