利用反射式光电开关的电路的通断来控制报警电路，有灵敏度高、隐蔽性好的特点。
The paper provides us with the idea of using photoelectricity reflective on-off switch to control alarm circuit with the characteristics of high sensitivity and favourable concealment.
在该系统中利用了光电检测技术，并采用反射式红外光电开关作为拉出值超限检测传感器。
The opto electric technique is applied in the system with the optoelectronic switch used as the excessive staggers detecting transducer.
在该系统中利用了光电检测技术，并采用反射式红外光电开关作为拉出值超限检测传感器。
The opto electric technique is applied in the system with the optoelectronic switch used as the excessive staggers detecting transducer.
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