An empty value for user name and a non-empty value for password.

用户名为空，密码不为空。

youdao

A non-empty value for user name and an empty value for password.

用户名不为空，密码为空。

youdao

Is the loop non-empty?

循环体是否为空？

youdao

There are no empty tank requirements during installation for the non-contacting radar.

非接触式雷达的安装期间没有空罐要求。

youdao

There are no empty tank requirements during installation for the non-contacting radar.

非接触式雷达的安装期间没有空罐要求。

youdao