解决了X光片光学标记摄影机由于暗盒厚度差所引起的开盖困难和导致光学成像质量不稳定的问题。
The instability of optical image of X ray film optical mark camera caused by the different thickness of dark cassette is resolved.
本文讨论了一种基于光学标记识别技术的文档图象识别系统，重点阐述了该系统的设计思想和实现技术。
This paper discusses a document image analysis system based on optical mark recognition. The design method and implementation techniques are emphasized.
目的：制备一种普通光学显微镜下可见的细胞标记用大粒径彩色高分子微球。
Objective: To prepare a kind of large colored microspheres which can be observed under optical microscope and used for cell labelling.
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