Completed ac / dc cabinets are ready to become pinball machines .

已完成的交流/直流机柜准备成为弹球机。

It would be far more efficient to power servers directly from a central dc supply .

而中央直流电源直接为服务器供能将大幅提高效率。

It struck down a handgun ban in washington , dc , as unconstitutional .

那么华盛顿哥伦比亚特区的禁枪法也因违宪而被废除。

That is because the shifting current of ac runs to earth more easily than dc does .

那是因为频繁切换的交流电比直流电更容易传入地下。

The motorcycle features high capacity dual dc motors and controller boards , advanced solid-state motion sensors to maintain constant control of balance loop .

摩托车配备有高容量的双直流电机和控制台，先进的固态运动感应器，来保证车体的平衡回路稳定工作。