user id

基本解释

If you already have a user ID and password, enter them to continue.
如果您已拥有用户 ID 和密码，请输入它们以继续。
The default or obvious way to do this is to specify the user ID and password on the command line as parameters to the tools.
实现身份验证的缺省或明显的方式就是在命令行中指定用户 ID 和密码，将其作为参数传递给该工具。
If you do so, then any application within the cell can look up the resource, and then implicitly use the provided user ID and password.
如果这样做，计算单元内的任何应用程序就都可以查找该资源，然后将隐式地使用提供的用户 ID 和密码。

The nominator will need to create a user id or password if new to the system.
UNESCO: 2015 L’OREAL-UNESCO International Women in Science Awards
Would you rather buy a Wieder weight system from someone whose user id is "foxtrot" or from Sears?
FORBES: Magazine Article
The researchers found that 61% of the websites they studied were sending along usernames or a user ID to a third party.
FORBES: A New Term For Cookies and Online Trackers: The 'Cyberazzi'