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。
2
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。
3
This paper focuses on the principal problems in symmetry detection such as the selection of the symmetric points in image and the location of reflectional symmetry axes and deeply research in them.