运行级别描述了你的机器将以什么样的方式运行（主要分图形界面和命令行界面），听起来很多余吗？

A runlevel describes the state that your machine will be running in. Sound redundant?

youdao

直流输电系统主要有2种运行方式：单极运行方式和双极运行方式。

There are 2 operation modes for DC transmission system:single pole operation and double-pole operation.

youdao

直流输电系统主要有2种运行方式：单极运行方式和双极运行方式。

There are 2 operation modes for DC transmission system:single pole operation and double-pole operation.

youdao