How can I limit class usage?

我怎样才能限制类的使用？

youdao

The j2edlimit command is used to associate a Quota limit Class to a user or group.

使用j2edlimit命令把Quota limit Class与用户或组关联起来。

youdao

Similarly, associate the Quota Limit Class 1 to the group staff with the help of command-line switch -g.

使用命令行开关- g把Quota Limit Class 1与staff组关联起来。

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The National Association for Sport and Physical Education says twenty to thirty students in a P.E.class should be the limit.

VOA: special.2009.08.06

Scientific-Atlanta, is the latest in a string of decisions by the Roberts Court to limit class-action lawsuits.

FORBES: Magazine Article

Ofcom, which has taken over regulation from Postcomm, has made the proposals to remove price caps on first-class stamps and raise the price limit on second class to as much as 55p owing to "huge changes" in the industry.

BBC: BIS Committee

Though both fighters weighed the class limit of 140 pounds at Friday's weigh-in, Rios was unofficially 161 to 158 for Alvarado before the fight.

NPR: Alvarado Wins Rematch Over Rios By Decision