DC

abbr.

1. 直流电
   direct current (an electric current that flows in one direction)
2. 美国哥伦比亚特区
   District of Columbia in the US
   1. Washington, DC
      华盛顿（哥伦比亚特区）

1. 直流电
   DC is used to refer to an electric current that always flows in the same direction. DC is an abbreviation for (缩略=) 'direct current'.

1. They signed the rights away when they sold their idea to DC Comics.
   他们在将点子出售给DC漫画公司时签字放弃了版权。
2. The stability of voltage and current outputted by HV DC power is important to generate stable high-voltage electric field.
   直流高压电源输出电压和电流的稳定性对产生稳定的高压复合电场极为重要。
3. A stepless and contactless IGBT starter for amplitude voltage DC motor has been manufactured.
   采用新型大功率器件IGBT研制了一台幅压供电直流电动机无级无触点起动器。
4. For resistors, this is a DC voltage; for capacitors and inductors, it's an AC voltage.
   对于电阻来说，这个电压是直流的，对于电容和电感来说，这个电压是交流的。
5. The design of a phase-shifted ZVS PWM DC/ DC full-bridge converter, this converter achieved zero voltage switching.
   研究了一种移相控制ZVSPWMDC/DC全桥变换器，它可以实现开关管的零电压开关。
6. A pulse width modulation ( PWM) DC motor rotation speed control experiment system device is developed.
   研制了直流电动机脉宽调制转速控制实验系统。
7. 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。
8. The OSD section has three TTL inputs and DC contrast control.
   OSD的部分有三个TTL输入和直流对比度控制。
9. What is the output voltage of you system? DC or AC?
   您要求系统的输出电压多少，直流还是交流？
10. The operation principle of the DC/ AC converter for the electronic ballast of high-voltage sodium lamp is presented.
    对高压钠灯电子镇流器DC/AC变换器的工作原理做了说明。
11. This is a generator, cables and load consisting of DC power systems.
    这是一个由发电机、电缆和负载组成的直流电力系统。
12. A speed-adjustment control system of senseless brushless DC motor in aeromodelling is introduced.
    针对航模用无传感器无刷直流电机的特点，设计开发了其专用调速控制系统。
13. Leakage location of double liner landfill is carried out which is based on high voltage DC method.
    利用高压直流电法对双衬层填埋场渗漏检测进行了研究。
14. A novel transient stability program for interconnected AC/ DC systems is introduced in this paper.
    本文介绍了一个新的交直流互联系统暂态稳定程序。
15. A new type of wind generator is studied in this paper. It's a PM DC brushless generator.
    本文针对小型风力发电系统所用的发电机，提出了一种新型结构的永磁无刷直流风力发电机。
16. The testing results show that the control system based on DSP can implement closed loop control the DC motor.
    系统的测试结果表明，基于DSP的无刷直流电动机控制系统，可以实现对电动机的全数字化双闭环控制。
17. AC and DC voltage both available;
    交流和直流电压都可用；
18. On this basis the telecommunication interference caused by this DC link is calculated and evaluated.
    在此基础上对该线路的电信干扰进行了计算和评估。
19. In this thesis, how to design a brushless DC motor control chip is discussed in detail.
    本论文详细阐述了如何设计一个无刷直流电机的控制芯片。
20. This paper introduces an isolated three level ZVS DC/ DC converter.
    介绍了一种隔离三电平零电压直流变换器。
21. This paper mainly concerns with the circuit design and the parameter calculation of irreversible DC motor speed regulation system.
    本论文完成对不可逆直流电机调速系统电路设计及参数计算。
22. The feasibility of DC modulation technology application in the Northwest China grid was studied in this paper.
    对直流调制技术在西北电网应用的可行性进行了研究。
23. Hybrid system drived by the brushless DC motor was designed.
    设计了无刷直流电动机液压驱动系统；
24. This article designed an embedded system of DC motor speed control which based on ARM.
    本课题设计了一个基于ARM的嵌入式直流电机转速监控系统。
25. Some insulation detection methods, which used in power system for DC power system is introduced.
    介绍了电力用直流电源系统中绝缘检测采用的几种方法，并对各种方法进行了分析比较。
26. Design and Study for a Brushless DC Motor Phase-Locked Servo Systems
    无刷直流电动机锁相伺服系统的设计和研究
27. This paper focuses on the theory and measurement of dynamic characteristics of permanent-magnet DC motors.
    主要讨论了永磁直流电机的动态特性理论和测量。
28. In this paper, a DC brushless motor servo-control system based on DSP is designed.
    本文设计了一种基于DSP的直流无刷电动机伺服控制系统。
29. In this paper, we introduced the control theory of brushless DC motor, and proposed the design scheme, software method and hardware electric circuit for whole system.
    介绍了无刷直流电动机的控制原理，给出了系统设计的整体方案，并详述了硬件电路和软件程序设计。