阐述了金属反射镜的设计，包括反射镜材料的选择，反射镜结构的选择，分析了影响金属反射镜面型精度的因素。
The design of metallic mirrors which including materials selecting and structure designing as well as factors of influencing surface for metallic mirrors are discussed.
为提高型钢尤其是复杂断面型钢连轧时机架间张力的控制精度，研究了一种智能化微张力控制系统。
A kind of intelligence micro-tension control system has been studied to especially improve the control precision of tension between stands for complicated section continuous rolling.
在野外运用相位测量剖面术(PMP)测量物体三维面型时，环境光场经常发生变化，从而严重影响测量精度。
The accuracy of phase - measuring profilometry (PMP) is greatly influenced by the environmental light, especially in the outside of the room.
为提高自由曲面型面加工精度，提出了在计算机控制光学表面成型工艺中基于压力控制的抛光修正方法。
A method is developed for correcting the accuracy of non rotating and aspherical lens by controlling the pressure of the polishing die during computer controlled optical surfacing (CCOS).
为提高自由曲面型面加工精度，提出了在计算机控制光学表面成型工艺中基于压力控制的抛光修正方法。
A method is developed for correcting the accuracy of non rotating and aspherical lens by controlling the pressure of the polishing die during computer controlled optical surfacing (CCOS).
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