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Keyword [large relative aperture]
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1. The Research On Processing Technology Of Large Relative Aperture Aspheric Surface
2. Research On Photographic Objective With Large Field Of View And Relative Aperture
3. Design And Development Of Unobscured Two-mirror Fore-optical Telescopic Objective With Wide Field Of View And High Speed
4. The Research Of High Precision Large Relative Aperture Aspheric Surface Detection
5. Null Test Of Off-axis Aspheres With Large-relative Aperture
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