Weak photoelectric signal acquisition and process is a common issue in industrial automation.
微弱光电信号的采集与处理是工业自动化中常见的一个问题。
The weak-signal gain of laser comes from two elementary processes:two-photon process and two-step process.
并指出，激光的弱讯号增益来源于两个基本过程：两个光子过程和两步过程。
The weak-signal gain of laser comes from two elementary processes:two-photon process and two-step process.
并指出，激光的弱讯号增益来源于两个基本过程：两个光子过程和两步过程。
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