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中国科学院光电技术研究所于1975年研制成功一米抛光机(见图)。该机床自1976年投入使用后,在高精度平面及棱镜的精加工中(需预抛光)均获得良好的效果。
Photoelectric Technology Institute of Chinese Academy of Sciences in 1975 successfully developed a rice polishing machine (see photo). The machine has been put into use since 1976, in the high-precision plane and prism finishing (pre-polishing) have achieved good results.