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Vacuum tubes require DC voltage sources as well. 真空电子管也要求以直流电压为电源。
Frequency drifts due to: DC voltage, temperature, VSWR. 频率漂移跟直流电压、温度、驻波比有关。
The post-stage circuit is functioned to transform from DC voltage to the rated DC voltage of load with the structure of flyback converter. 后级再将直流电压转成负载所需之直流工作电压，其架构为返驰式转换器。
A plot of dc voltage or current versus time normally produces a straight line. 直流电压或电流与时间的关系图一般成直线.
DC voltage is determined by AC voltage, inductance on the AC side, and load. 直流侧直流电压是由交流电压、电感及负载决定的；
A phenomenon which occurs when excess DC voltage is applied to an LCD. 一现象哪个发生什麽时候过度直流电压被用于LCD。
The DC voltage calibration room is by far the largest of the labs I visited. 直流电压校准室要比我参观过的实验室的大很多。
DC voltage divider can be used to design lower voltage direct current power. 直流分压器集开关电源和电能变换于一身，可以被用来设计降压型直流电源。
A SMPS is a type of voltage transformation device. 交换式电源供应器是一种电压转换器具。
The basic principle of the voltage transformer (discharge coil) is similar to the transformer. 电压互感器(放电线圈)的基本工作原理与变压器相似。
The capacitance bleeder is used in capacitive voltage transformer as bleeder, concurrently as coupling capacitor. 电容分压器用于电容式电压互感器中,做分压器用并兼作耦合电容器使用。
The superior voltage stability of such a Josephson voltage standard has many applications in dc voltage metrology. 此约瑟夫森电压标准杰出的电压稳定性在直流电压计量中可以有许多应用。
If the multimeter is used to measure DC voltage or DC carnet , we must be careful that the polarity is not reversed . 假如用万用表测量直流电压或直流电流，我们必须注意极性不可接反。
Fan, notor, water-pump and voltage transformer arethe four kinds of common electromechanical equipments, also big energyeaters. 风机、泵、压器、动机是四类量大面广的通用机电设备,也是耗能大户。
As a set of voltage measuring device,the measuring accuracy of optical voltage transformer is an important indication of system performance. 光学电压互感器作为一套电压测量设备,测量精度的准确性是衡量系统性能的重要指标之一。
If the multimeter is used to measure DC voltage or DC carnet ,we must be careful that the polarity is not reversed . 假如用万用表测量直流电压或直流电流，我们必须注意极性不可接反。
By far, some reliability designs and optimization designs of voltage transformer are studied, but the methods they adopted are still traditional. 目前，在电压互感器设计中，虽有人进行过可靠性设计和优化设计方面的研究，但采用的方法仍为传统方法。
If the multimeter is used to measure DC voltage or DC carnet, we must be careful that the polarity is not reversed . 假如用万用表测量直流电压或直流电流，我们必须注意极性不可接反。
Auxiliary voltage transformers for controls and metering. 控制以及测量用补助电压变压器。
Based on the converse piezoelectric effect of quartz, a novel dual-mode interferometric electronic voltage transformer is presented. 摘要基于石英晶体的逆压电效应，研制出一种双模干涉式的电子电压互感器。