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Objective: To develop a new type of stereopsis test charts and relevant graph viewing device.
目的：研制一种新型的立体视觉检查图卡及相应观片装置。
An arthroscope is placed through one of the openings. This is a viewing device that allows the surgeon to see inside your knee.
通过其中一个开口放置关节镜，这是一个观察设备，允许外科医生看到膝关节内部。
An arthroscope is placed through one of the openings. This is a viewing device that allows the surgeon to see inside your knee.
通过其中一个开口放置关节镜，这是一个观察设备，允许外科医生看到膝关节内部。
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