crystal grating造句

• Introduction of the current status and development of key technologies of the three - dimensional contour measurement . creation of the measuring means of free curved surfaces of objects , based on the passive stereo visual technology and the active liquid crystal grating encoding technology
  综合结构光法和立体视觉法，在对传统视觉传感器结构统一的基础上，提出了基于被动式双目立体视差技术和主动式液晶光栅编码技术传感器，实现物体的三维形貌数字化测量。