• 猎户星座liè hù xīng zuò Orion
• 猎户座liè hù zuò Orion
• 傅里叶光学fù lǐ yè guāng xué Fourier optics
• 光学guāng xué optics, photics
• 几何光学jǐ hé guāng xué geometrical optics
• 介质光学jiè zhì guāng xué Medium Optics
• 瞄准器miáo zhǔn qì gunsight; sighting device; rifle optics
• 纤维光学xiān wéi guāng xué fibre optics

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