英语释义

• an electric current that flows in one direction steadily

片语

direct-current main直流电源

direct-current generator直流发电机

direct-current sputtering[电子]

direct-current cardioversion直流电转复术

direct-current graphitization直流石墨化

direct-current mains直流电源

direct over current release过电帘接释放器

direct-current ringer直流振铃器

direct-current quadruplex直流四路多任务系统

英汉例句

• their job is to convert high-voltage alternating current from the mains into low-voltage direct current for mobile phones, laptops, ipods and other electronic gadgets.

  其职能是将干线中的高压交流电转化为用于手机、笔记本电脑、ipod以及其他电子器械的低压直流电。

• this is useful for battery charging, but - you'll notice how 「lumpy」 the direct current looks on the scope.

  这是有益的电池充电，而且-你会发现如何「块状」直流期待的范围。

• direct current is current with no reversals in polarity.

  直流，是指没有正负极性往复变化的电流。

• combined with the problems during the experiment, design a improved testing circuit of direct current attenuation method.

  结合试验过程中遇到的问题，给出了改进的直流衰减法测试电路。

• as vsc(voltage source converter) is the core of hvdc(high voltage direct current transmission), cpld and dsp are used to build up the converting controller of vsc for a hvdc-light simulation lab.

  直流输电的核心是自换相电压源换流器，采用复杂可编程逻辑器（cpld）和数字信号处理器（dsp）构成一个轻型直流输电动模室换流控制器。

• at the moment, data centres perform many conversions between alternating current (ac) and direct current (dc).

  时下，数据中心要在直流电和交流电之间频繁转换。

• dr cohen kadosh, a neuroscientist, is using a high-tech system called transcranial direct current stimulation (tdcs) to stimulate precise regions of my brain with a tiny buzz of electric current.

  神经学家科恩.卡多什博士正在用一种称作直达式多普勒激发系统来发射微弱的电流，以此刺激我们大脑中主管精细思维的区域。

• to transmit the power for the solar farm we would need to build new high-voltage direct current transmission to replace our ac current grid.

  为了传输太阳能发电站的能量，我们将需要建造新的高伏特直流传输器来取代我们的交流电网。

• we used to weld pipes with direct current (d. c) so are welder (ac a. c. welder).

  我们总是用直流（交流）电弧焊机焊收受子。

• alternating current is different from direct current in that it constantly changes its direct of flow.

  交流电与直流电的不同之处在于交流电不断地改变其电流流动方向。

• the investigation of the measure principles of direct current attenuation method, voltage integral method, and direct load method.

  较为深入的研究了直流衰减法、电压积分法和直接负载法的测试原理。

• brushless direct current motors and have advantages of good adjustment performance, high voltage, high torque, high volumes ratio in high performance drive.

  无刷直流电动机在高性能驱动应用中具有良好的调整性能、高电压、高转矩、高体积比以及无电刷的优点。

• to help smooth out the direct current available here, a capacitor can be used.

  为了帮助理顺直流可在这里，一个电容都可以使用。

• then they donned an electrode cap that transmitted a weak electrical signal, in a method called transcranial direct current stimulation.

  之后，他们戴上了一个通有微弱电信号的电帽子，这种方法叫做「经颅直流电刺激」。

• the current flowing in one direction is called direct current .

  沿着一个方向流动的电流叫做直流电。

• professor heidi johansen-berg investigated whether transcranial direct current stimulation, or tdcs, can make one part of the brain work harder than other.

  海蒂·约翰森·伯格教授教授研究了颅直流电刺激（tdcs）能否让一部分大脑比其他部分更努力工作。

• based on a set of properly selected base values, a per-unit model for voltage source converter (vsc) based high voltage direct current (hvdc) (vsc-hvdc) is developed.

  建立了基于电压源换流器（vsc）的高压直流（hvdc）（vsc-hvdc）输电系统的标幺值数学模型。

• a large disc-shaped rectifying antenna attached to the fuselage harvested the microwave energy, turning it into direct current to power an electric motor attached to the plane’s propeller.

  机身上的圆盘形整流天线能接收地面传输的微波能，将其转化为直流电为飞机推进器上的电动机供能。

• the women built battery-powered direct current lamps to replace kerosene lanterns widely used in local homes—a known source of indoor air pollution.

  妇女们制造使用电池的直流电灯具来代替当地居民普遍使用的煤油灯，煤油灯是一种已知的室内污染源。

• unless the long-distance-transmission system were converted to direct current (which reduces transmission losses, but brings problems of its own), burial of transmission lines is not a serious option.

  倘若不是长途传输系统转变为直流电的话（直流电减少传输中的损失，但也存在问题），埋设传输线缆不是严肃的选择。

• the starter motor is a simple direct current (dc) motor which has a pinion gear attached to its shaft.

  启动电机是一个简单的直流电机，在它的轴上有一个小齿轮。

• the main purpose is to direct current superimposed on the exchange of a specified weight limit value.

  主要用途是将叠加在直流电流上的交流分量限定在某一规定值。