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making and testing of astronomical mirrors
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making and testing of astronomical mirrors
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天文镜面的磨制和检验
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making and testing of astronomical mirrors
天文镜面的磨制和检验
对玻璃镜坯打磨、抛光,经过内应力和面形检验,制成所设计的镜面形状和达到所要求的精度。
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