恒流高压直流电源 constant high-voltage dc power source
恒流直流电源
Constant current DC power supply
以上为机器翻译结果，长、整句建议使用 人工翻译 。
实验结果表明，带有光反馈的恒压恒流直流电源发光稳定，为精确紫外辐射定标提供了高稳定度的紫外光源。
Through the experiment, it is indicated that regulated direct power makes the light source stable and provides the accurate UV radiation calibration with stable ultraviolet light source.
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