The human moving system is defined as a rigid frame, which contains 19 articulate entities. Entity rotates around the father node and its son node is the father of another entity at the next level.
2
应用三维摄影和三维运动录像分析系统，从人体对外输出机械能角度对掷铅球技术进行了研究。
Three dimensional cinematography and sport video analytical system were applied to study the shot put technique in view of body outputting mechanical energy.
3
研究得出的结论是运动可以增强人体的免疫系统，但是运动的结果是不是足以阻止猪流感呢？
Studies have concluded that exercise can enhance the immune system, but is the effect great enough to stave off swine flu?
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