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575×200×60球面反光镜,是我厂研制的大型天文仪器日食光谱仪的主镜,其形状和技术指标如图1所示。
575 × 200 × 60 Spherical reflector, is the main mirror of the large astronomical instrument solar eclipse spectrometer developed by our factory. Its shape and technical indicators are shown in Fig.1.