SD
三維空間, 脉冲过程, 视神经, 神经束, 视网膜, 刺激物, 脑, 生物, 解剖学, 处理, 球(对象), 医学, 体育, 影视素材,

视频 1

SD
2D, 更正, 视网膜, 镜头(光学), 光射线, 解剖学, 医疗技术, 人, 影视素材,

视频 2

SD
2D, 更正, 视网膜, 眼科手术, 解剖学, 治疗(医学), 医疗技术, 影视素材,

视频 3

SD
三維空間, 光射线, 蝴蝶(昆虫), 眼, 人, 影视素材,

视频 4
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