Some kinds of batteries can be recharged by connecting them to a source of direct current.
有些型号的电池在接入直流电源时就能充电。
The polarographic behavior of iodoacetic acid has been studied by using single sweep polarography, direct current polarography and cyclic voltammetry.
碘乙酸的极谱行为已通过单扫描极谱法，直流极谱法和循环伏安法进行了研究。
Telegraph repeater qualifiers. Type of direct current can be specified.
电报中继器限定符。可指定直流电流类型。
Diodes are electronic devices which rectify alternating current to direct current.
二极管是将交流电整流成直流电的电子装置。
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。
What's the maximum power the dock can supply? Is there any source of direct current?
这个船坞能供电的最大功率是多少？有直流电源吗？
When direct current flows through a coil a magnetic field will be built up round the coil.
当直流电流过线圈，就会在线圈的周围产生磁场。
It is common for the direct current circuit to be interfered by alternating current voltage.
直流回路受到交流电压干扰，是控制回路中容易产生的现象。
Objective To explore the effects of direct current on vibration of cochlear basilar membrane.
目的探讨外加直流电流后对耳蜗基底膜振动的影响。
It is digital servo timing control system which is driven by PWM, direct current moment motor.
采用了脉冲调宽功放装置(PWM)，直流力矩马达直接驱动转台框架的数字伺服调速体制。
The elevator model was made by using devices such as limit switch, nixie tube, direct current motor.
采用限位开关、按钮、数码管、直流电机等器件实际制作。
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。
This design detailed described the direct current electric voltage of the test and the manifestation.
数字电压表的设计与总结详细描述了直流电压的测试与显示。
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 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。
A low-voltage, high amperage direct current passes from the workpiece to the tool through electrolyte.
低压，高安培的直流电流通过电解液从工件传输到刀具。
The usual way to do this would be to use a rectifier—a device that converts alternating to direct current.
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 oxidation resistance of pulse composite coating was better than that of direct current composite coating.
结果表明：脉冲复合镀层的抗高温氧化性比直流复合镀层优异；
The linear sampling circuit of direct current bus and the hysteresis voltage comparator circuit are confirmed.
确定了直流母线电压线性采样电路以及迟滞电压比较电路。
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。
The disadvantage is that reverse electrodialysis produces direct current, whereas the world runs mostly on alternating current.
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。
Moreover, an improved method is proposed for the phase current reconfiguration on the basis of the direct current circuit.
提出了一种改进的基于直流回路母线电流的相电流、相电压重构方法。
Electric and mechanism parameters are the main factors influencing the direct current arc breaking performance of small relays.
电气参数和机械参数是影响小型继电器直流电弧开断性能的主要因素。
The system may measure many circuits high - frequency alternating current , direct current , frequency, efficiency of inverter .
系统测试项目有多路高频交流电流，直流电流，频率，逆变器的效率等。
In fact, the rectified circuit with filter condenser in the direct current side is also the serious pollution source of the harmonics.
而实际上，直流侧含滤波电容的整流电路也是污染严重的谐波源。
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。
The experiment on measuring the direct current by optical method shows a favorable linear relationship between the current and the detective signal.
对直流电流传感信号的检测实验表明，被测电流与检测信号之间存在良好的线性。
Battery CHARGER, an electrical device supplied with alternating current, which produces a direct current output for charging the battery on the airplane.
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.
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。
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