The polycarbonate itself is part of the optical system for reading the pits.
聚碳酸脂本身是用于读取坑形的光学系统的一部分。
A digitized ruler with absolute code is adopted as the reference of the system, and the ruler is read by the reading system which is composed of optical system, CCD camera and computer.
该系统采用绝对码标尺做基准，使用由光学系统、CCD摄像机和计算机组成的读数系统来读取标尺数值。
Some research subjects concern video recording and processing system, which are brought forward based on optical image recording and reading requirement of weapon test range.
最后，通过两种仪器的数据分析、图像判读，提出了综合利用两种仪器可增强两种数据的互补性并提高工程质量。
Optical Reading Direct Input System?
光学读物直接输入系统ORDIS ？
Optical Reading Direct Input System?
光学读物直接输入系统ORDIS ？
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