This article presents hardware circuit of the reckon by time and score, the program operation by PC , the foundation of this system.

介绍基于无线数据传输模块及单片机设计的比赛计分计时系统，硬件电路的结构、软件的设计过程及系统所实现的功能。

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Operation evaluations including the tibial and femur angle(T-F angle) and Knee Society Score System(KSS) were followed-up.

对比手术前、后股胫角变化，采用KSS评分评价手术疗效。

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