circular grating

英 美
  • 圆光栅
  • circular adj.圆形的;循环的n.传单;通报
  • grating n.格子;格栅;[物]光栅adj.磨擦的;刺耳的动词grate的现在分词.
    1. Formula is used to explain the factors affecting the measurement precision of score errors of the circular raster by photoelectric phase-comparing method for angle positioning.
      摘要用公式推导说明了影响光电定角比相法检测圆光栅刻划误差测量精度的因素,并用两台测量精度不同的仪器做了实验验证。