Reflectional visible light sensor that can magnify the intensity of reflectional light by Darlington transistor is adopted in the sensor module.

传感器模块采用的是反射式可见光传感器，利用达林顿管对反射光强进行放大。

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Critical thinking is a special reflectional recognition. The scientific feature of investigation decides its important function in the whole investigation.

批判性思维是一种特殊的反思性认识活动，侦查的科学属性决定了批判性思维在整个侦查活动中的重要作用。

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Plurality voting, one of the most common democratic systems, fails to respect reflectional symmetry.

ECONOMIST: The mathematics of voting

These cancellations are a form of reflectional symmetry.

ECONOMIST: The mathematics of voting