Each character is an off or on setting.
每个字符都是一个开或关的设定。
youdao
Is the radio off or on?
无线电关上了还是开着的？
The chkconfig command can also be used to switch any service off or on.
chkconfig命令还可以用来切换任何一个服务的开或关。
Is the gas off or on?
煤气关着还是开着？
应用推荐
模块上移
模块下移
不移动