incident angle of parallel light measurements based on the optical vernier principle
基于光学游标测量原理的平行光入射角度测量方法
Classical optical lever was improved with a carved vernier spider line in an eyepiece of the telescope to increase the precision of an optical lever and reduce the error.
为了提高光杠杆的精度,减小实验误差,对原光杠杆进行了改进,在望远镜的目镜中刻划了游标叉丝。
An Optical Lever With the Vernier Spider Line
加装游标叉丝的光杠杆
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