We saw World of Warcraft usage levels rebounded drastically and PCCU increased by over 13% and surpassed one million once again before the year-end.

魔兽世界的用户数量及峰值在线人数的大幅增长有目共睹，并在年底超越百万大关。

youdao

The protection and control comprehensive unit (PCCU) is an important part of ISAS, which consists of kinds of function unit such as protection unit, control unit and man machine unit.

保护控制综合单元是“面向对象的变电站微机综合自动化系统”的重要组成部分，是对一次设备实现保护和控制的元件。

youdao