二极管是将交流电整流成直流电的电子装置。
Diodes are electronic devices which rectify alternating current to direct current.
AC是交流电的意思。
变交流电为直流电或者变直流电为交流电的装置。
The AC output must therefore be rectified, or changed to dc.
补好的补口应使用带8千伏直流电的漏涂检测仪来检测。
The finished joints shall be inspected with a holiday detector set at 8kV DC.
直流电和交流电的区别在于直流电总是向一个方向流动。
The difference between a direct and an alternating current is that a direct current always flows in one direction.
一个把220 ~ 250伏交流电转化成高压直流电的变压器。
An electrical power transformer that converts 220-250 volts AC current to high voltage DC.
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。
Alternating current is different from direct current in that it constantly changes its direct of flow.
用电磁感应原理来检测墙体中带交流电的火线，其电路简单而可靠。
The principle of electromagnetic induction is to be used to detect AC living wire in a wall, the circuit is simple but reliable.
通常的方法就是使用整流器---一种把交流电转换为直流电的装置。
The usual way to do this would be to use a rectifier—a device that converts alternating to direct current.
鱼对交流电的反应可分成四个阶段：感电、定向、麻醉和击昏反应。
The reactions of fish to AC can be distinguished into four stages: electrifying, electrotaxis, electronarcosis and electrocuting.
在双通道示波器上可直观地观测拍现象，并利用拍振动曲线测量交流电的频率。
The phenomenon of beats can be observed directly on the double-channel oscillograph and the frequency of alternating current can be measured by the vibration curve of the beats.
发现了手摇交流发电机演示实验中出现脉动直流电的奇异现象并对此作出了合理的解释。
The phenomenon of a pulsating direct current in demonstrative experiment of hand alternator is founded and the reasonable explanation is presented.
在使用直流电的地方即产生人为的静电磁场，例如在电车或诸如铝生产和气焊等工业操作程序中。
Man-made static magnetic fields are generated wherever DC currents are used, such as in electric trains or industrial processes such as aluminium production and in gas welding.
选择交流电作为工业标准的原因很简单，在早期供电距离很短的电网里，交流电的损耗比直流电小。
The reason was that over the short distances spanned by early power grids, AC transmission suffers lower losses than DC. It thus became the industry standard.
完成一次循环的时间称为周期，每秒循环的次数称为频率，任一方向的最大值称为交流电的振幅。
The time taken to complete one cycle is called the period, and the number of cycles per second is the frequency; the maximum value in either direction is the current's amplitude.
当你为你的吐司炉——或者电视、吸尘器——插好插头、打开电源时，电能便以交流电的形式为这些家用电器供电。
PLUG in your toaster—or your television or your vacuum cleaner—and the electricity that surges through it is an alternating current.
电瓶充电器，用交流电向飞机内电瓶充电的电气装置。带有交流电的电气装置，该装置产生直流电向飞机上的电瓶充电。
Battery CHARGER, an electrical device supplied with alternating current, which produces a direct current output for charging the battery on the airplane.
由于在传输过程中采用高压直流电缆输送的损耗要比传统交流电的损耗小得多，因此采用交流电远距离传送电力很不划算。
Energy losses on DC lines are far lower than on the traditional AC ones, which make transmission of energy over long distances uneconomic.
本发明电路结构简单，输出的交流电的波形为纯正弦波，输出的电压和频率稳定，不会随输入电压和负载的变化而变化。
The circuit of the invention is simple, the wave output is pure sine wave, voltage and frequency output is stable, they do not change with input voltage and load.
在电子技术中，把交流电转换成低电压直流电的一种电路。这种电路的输出是经过调整的，使它的噪声及电压波动都很。
In electronics, a circuit for converting AC voltage to low voltage DC in such a way that the output is regulated to minimize noise and voltage fluctuation.
该晶闸管触发器采用集成运数放大器，移相触发脉冲的形成是根据三相交流电的各相与移相控制电压直接比较原理实现的。
The shift trigger pulse of the thyristor trigger circuit with integration amplifier is generated by comparing directly principle of three-phase AC and shift-phase control voltage.
本发明涉及一种用交流电的电子音乐门铃，由普通电子门铃加整流电源、继电器及功率放大器构成。本发明不再需要电池供电。
This AC electronic music door bell is composed of general electronic door bell, rectified power supply, relay and power amplifier and does not need battery to power it.
该装置由逆变主电路和以arm 7单片机at91 M 55800为核心的测控系统组成。逆变主电路实现了频率和功率均可调的超声频交流电的输出。
This device consists of inverter major circuit and monitoring system based on ARM7 chip AT91M55800. The main circuit produces power supersonic AC output with adjustable frequency and changeable power.
有些型号的电池在接入直流电源时就能充电。
Some kinds of batteries can be recharged by connecting them to a source of direct current.
控制电压和由恒流电源输出的电流之间的关系改变可能会产生漂移。
The relationship between the control voltage and the current output by the constant-current source may shift.
使用直流电是产生静电磁场的另一个原因，例如铁路系统使用直流电，电视和计算机屏幕带有阴极放射管。
The use of DC electricity is another source of static electric fields, e.g. rail systems using DC, and televisions and computer screens with cathode ray tubes.
我确实感到很好奇，那些工作室是如何运作的，主流电影是如何制作的以及我个人的感觉如何能运用到工作室系统中去。
I was really curious about how the studios worked, how mainstream movies were made and how I could use my sensibility within the studio system.
高空架线的话，由交流电产生的电磁场与地面的感应要比空中的电场交互作用强大得多。
On top of that, the field generated by an alternating current interacts with the ground more strongly than it does with the air.
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。
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.
不足处是反向电渗析产生的是直流电，而世界上主要使用交流电。
The disadvantage is that reverse electrodialysis produces direct current, whereas the world runs mostly on alternating current.
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