DCAn.数字计算机协会
dcabbr.直流(=direct current)abbr.哥伦比亚特区(=District of Columbia)
DC Voltage Signal Isolated Amplifier直流电压信号隔离转换器
DC-to-high-frequency converter直流－高频转换器
DC voltage-stabilizer power supply直流稳压电源
DC and AC redundancy de-excitation交直流冗余灭磁
DC balance resistance testing method直流平衡电阻检测
DC voltage- stabilized power supply直流稳压电源
DC moving coil rectangular instrument直流动圈式矩形电表
DC facing targets magnetron sputtering直流对靶磁控溅射
DC sensor-less brushless controllers直流无刷电机控制器
dcritical parachute-opening altitude临界高度; 最大工作高度; 最大射高
邮箱： 