1.
AC current or voltage source. DC offset can be specified.
交流电流源或电压源。可指定直流偏移。
2.
Research and Design of Fuzzy PID Controlling AC Sine Current Source Basic on SPWM
基于SPWM模糊PID控制正弦交流电流源研制
3.
DC current or voltage source. Magnitude of AC component can be specified.
直流电流源或电压源。可指定交流分量的大小。
4.
harmonic content of an a.c.power supply
交流电源的谐波含量
5.
non-break AC power plant
无中断交流电源设备
6.
combined a.c. and d.c. welding power source
交直流两用弧焊电源
7.
full-automatic alternating current stabilized voltage supply
全自动交流稳压电源
8.
circuit design, wiring diagrams, schematics, AC/DC sources
电路设计, 接线图, 示意图, 交流/直流电源
9.
Automatic exchange for DC and AC supply.
直流电源与交流供电能自动转换。
10.
Active Filter Technique on AC-side of HVDC Transmission Systems
直流输电系统交流侧的有源滤波技术
11.
an alternating [a direct] current dynamo
交流 [直流] 发电机
12.
The common power sources for the excitation system produce an alternating current; therefore a means of rectifying the alternating current becomes necessary.
励磁系统通常的电源是交流电,因此必须具有将交流电整流的措施。
13.
clock, master, battery, accumulator or mains powered
主时钟,由电池、蓄电池或交流电源驱动
14.
Resistance thermometer bridges may be excited from either a-c or d-c sources.
电阻温度计电桥的供电可以是交流电源，也可以是直流电源。
15.
DC motor converter set
交流-直流电动变流器组
16.
Remove the AC power adapter from the notebook PC.
拆除交流电源适配器的笔记本电脑.
17.
THE DEVELOPMENT OF LN-GDXT-IV AC-DC ISOLATED POWER SUPPLY
LN-GDXT-IV型交直流隔离供电电源的研制
18.
Design of Constant Current AC Source of Non-complementary Based on Microcontroller;
基于单片机的非互补式交流恒流电源设计