To measure voltages, the current taken by the instrument must be small.
要量度电压，仪表通过的电流必须小些。
This is critical in systems designed to measure voltages from high impedance sources or high value resistances.
对设计用于从高阻源或高值电阻进行电压测量的系统，这是非常关键的。
This paper studies the method of auto balancing bridge to precisely measure inductance L, capacitance C, resistance R(namely LCR)by measuring the high and low terminal vector voltages.
本文研究了利用自动平衡电桥方法，通过测量高端和低端两路矢量电压来精确测量电感L、电容C和电阻R（即LCR）。
This paper presents an intelligence test set built by microcomputer technics to monitor and measure the harmonic and surge voltages in the power network and source, on-line and with a real time.
本文提出利用微机技术构造一种在线实时监视和测量电网、电源客观存在的谐波电压和浪涌电压的智能测试仪。
This instrument is designed to measure, compute and analyse the triphase voltages and currents, without mechanical characteristic, temperature, noise and magnetic field etc.
论文设计的装置主要完成对电机三相电压电流等电参数的测量、计算和分析，而不涉及对电机的机械特性、温度、噪声、磁场等测量。
The detectors in one example measure switch voltages and the estimation circuit estimates power delivered to the load according to a switch voltage and impedance between two nodes of the switch.
在一个实例中，所述检测器测量开关电压，以及所述估计电路根据开关电压和该开关的两个节点之间的阻抗来估计输送到负载的功率。
A three-phase alternating current parameters instrument to be used in industry is designed. It can measure the voltages, currents, power factors of each phase of three-phase alternating current.
设计开发一种工业用三相交流电参数仪，能够测得三相交流电各相的电压、电流、功率、功率因子等参数；
A serial port interface can be used to take control of the power supply, to set G1, G2 and G3 voltages, to select the XRII field, or to measure back the real electrode voltages (see chapter4).
一个串行端口接点可被用来控制电源，设定G 1,G2和G3电压，选择X线影像增强器视野，或延迟测量实际极间电压(看第4章)。
A serial port interface can be used to take control of the power supply, to set G1, G2 and G3 voltages, to select the XRII field, or to measure back the real electrode voltages (see chapter4).
一个串行端口接点可被用来控制电源，设定G 1,G2和G3电压，选择X线影像增强器视野，或延迟测量实际极间电压(看第4章)。
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