起始电压低于0.4 V，是一种输出电流范围又宽、稳定性又高的高性能器件。

It is a kind of excellent device with both high stability and wide current range.

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我们随后可用这些数值来调节驱动电流或电压，从而确保通量输出（或RGB系列LED的色彩输出）在可见范围之内。

This number can then be used to derive any adjustments to the drive current or voltage in order to keep the flux output (or the color output of an RGB series of LEDs) inside the visible limit.

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测量APD的反向偏置电流需要一种能够在很宽范围内测量电流并且能输出扫描电压的仪器。

Measuring the reverse bias current of an APD requires an instrument that can measure current over a wide range as well as output a voltage sweep.

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