Seeing himself in the spherical mirror, he roared with laughter. 面對著(zhù)球面鏡里的自己，他哈哈大笑起來(lái)。
Some important theoretical issues of catadioptric omnidirectional systems for the spherical mirror are researched. 摘要對球面鏡折反射全向視覺(jué)系統的某些理論問(wèn)題進(jìn)行了研究。
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