查询词典 power supply

This system design take at89S51 chip as core controlling element, auxiliary by necessity peripheral circuit, designed one to have retakes courses with replays the function to retake courses machine, it by 5V direct-current power supply power supply.

本系统设计以AT89S51芯片为核心控制元件，辅以必要的外围电路，设计了一个具备复读与重放功能的复读机，它由5V直流电源供电。

Due to the high efficiency switching power supply, generally 80% or more, so the choice of the output current should be accurately measured or calculated maximum absorption current electrical equipment, so be selected with switching power supply with high cost performance.

因开关电源工作效率高，一般可达到80%以上，故在其输出电流的选择上，应准确测量或计算用电设备的最大吸收电流，以使被选用的开关电源具有高的性能价格比。

1 If an appliance intended for permanent connection to the power supply or an appliance equipped with a polarized or grounding type attachment plug is intended to be connected to the grounded conductor of a power-supply circuit, a lampholder supplied as a part of the appliance shall be so wired that the screw shell is connected to the grounded conductor.

20.1若电器与电源的连接是永久性的，或者电器配备了极化的或接地型的附加插头，且该插头同电源电路的接地导体相连，作为电器的一个零件的指示灯固定器应固定好，并且螺丝盖应接地。

If the netscreen-50 uses a dc power supply, see appendix b,"dc power supply" for more information.

如果的NetScreen - 50采用了直流电源供应器，见附录B，&直流电源&以获取更多信息。

Active Development and application of MIS is an important way to realize the modernization of railway power supply management. The quality of equipments in Shenyang Railway Bureau power supply system is at a leading position.

积极开发与应用管理信息化系统，是解决铁路快速发展与安全管理矛盾的有效方式，是实现铁路牵引供电管理现代化的重要途径。

C. Using an independent power supply (and the source of interference phase) or the installation of UPS power supply

c。采用独立电源或加装UPS电源

A negative high voltage pulse power supply is used to stimulate DBD and generate excimer emission. Although the intensity of radiation emitted in dense filaments is higher, it has a lower conversion efficiency compared with a. c. power supply.

快脉冲高压电源在不同的脉冲频率下放电，其形貌分别为混合放电和丝状放电，其丝状放电激发辐射的相对效率要高于交流电源，放电丝在介质表面的斑图与交流电源所产生的斑图有明显的差别。

Power supply system fails, first check whether the exchange of access to the host power supply.

供电系统出现故障时，首先检查交流供电电源是否接入主机。

A joint. It is set at the connection of the cover head of core with power supply wire to cover the plastic casing of electric connection of copper strand and power supply wire.

一接头，设置在上述芯线及包覆层的首端与电源的供电线的连接处，用以包覆所述的铜绞合线与电源的供电线的电气连接的塑料罩壳。

At this point, you should check the oscillation manifold circuit, the voltage should be the normal 10 or so (Special reminder: because the test should be carried out in the electrized, and has high-voltage power supply, and therefore pay special attention to personal safety, do not try to touch any part of the power supply).

这时，应先检查振荡集成块的供电电路，其正常的电压应该在10V左右（特别提醒：由于测试电压应在通电情况下进行，而电源板上有高压电，因此要特别注意人身安全，不可尝试直接触摸电源的任何部分）。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。