恒流源电流源是电气或电子装置，可提供或吸收电流。
A current source is an electrical or electronic device that delivers or absorbs electric current.
恒流源电流源是电气或电子装置，可提供或吸收电流。
Current source a current source is an electrical or electronic device that delivers or absorbs electric current.
大功率半导体激光器驱动电源内置恒压源，通过控制采样电阻两端电压调节恒流源电流大小。
Current driver of high power LD with inner constant voltage source adjusts the output current of the driver by controlling the voltage of the sampling resistance.
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