A fairly basic circuit (left as an exercise, but it's not difficult) can take the control voltage and output a constant current which is proportional to the voltage.

一个相当基础的电路(留作练习，不过并不难)处理控制电压并输出与电压成比例的恒流。

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Abstract: : the substation is in power system voltage conversion, accept and electric power distribution, control and adjustment to the current voltage power facilities.

摘要：变电站是电力系统中转换电压、接受和分配电能、控制电流走向和调整电压的电力设施。

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In the application of above 24V fort current voltage grade control circuit, Voltage Alternating and resonant wave interference of input model for Programmable Logic Controllers must be resolved.

可编程控制器在高于24V的直流电压等级控制回路中应用时需解决输入模块的电压变换和谐波干扰等问题。

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So essentially, they regulate this action potential, and they do so by helping to establish and then control the voltage gradient within the cells.

总之本质上，它们负责调节动作电位,它们做到这一点通过协助制造,并控制细胞内的电位梯度。

麻省理工公开课 - 化学原理课程节选

Small changes to the voltage of the grid control large changes in the electron current flowing to the collector plate.

ECONOMIST: The middle age of the transistor

But the central point about both taps and transistors is that they allow a small signal the twist of a hand or the increase of a voltage to control a much larger one the rush of water or of electrical current.

ECONOMIST: The middle age of the transistor

GE, which supplies the National Grid operator in the U.K., would dearly love to outfit the U.S. network with control software and thousands of sensors to report voltage and other information on a second-by-second basis.

FORBES: Juicing the System