The relation between the displacement of the turning edge in two perpendicular directions of turning plane and the positions of diffraction dark fringes can be determined and it can be used to calculate the small rotating angle.
英
美
- 通過(guò)導出轉動(dòng)棱邊在轉動(dòng)平面內2個(gè)相互垂直方向上的位移與觀(guān)察屏上衍射暗紋位置間的關(guān)系式,并利用它對轉動(dòng)棱邊的轉角進(jìn)行計算。