They are the yardstick or role model which other systems, companies, etc. try to match.

它们是其他系统、公司等力求达到的标准或效仿的。

youdao

They are the yardstick or role model which other systems, companies, etc. try to match.

它们是其他系统、公司等力求达到的标准或效仿的。

youdao