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论述了激光准在技术的发展及共性的技术关键问题，系统介绍了本单位在高精度激光准直技术方面的研究成果，从理论到实践较好地克服激光漂移、大气环境对激光准直的严重影响。研制成功的激光光纤准在仪、激光双频同轴度仪及激光旅光准直仪具有当前高精度激光准直技术的代表性，并且均达到国内外先进水平。
Discusses the laser quasi-technology in the development and common key technology issues, the system introduced the unit in the high-precision laser alignment technology research results, from theory to practice to better overcome the laser drift, the atmosphere of the laser collimation Serious impact. Developed laser optical fiber accurate instrument, laser dual-frequency coaxial instrument and laser travel optical collimator with the current high-precision laser alignment techniques are representative, and have reached the advanced level at home and abroad.