运动损伤是影响专业散打运动员运动寿命的主要因素。
Athletic injury is the main factor impact on professional Sanda athlete's life of athletics.
而在我国篮球后备力量紧缺的时期，尽可能的延长运动员的运动寿命已成为提高我国篮球运动水平最有效的手段。
It is the most valid means of promoting our basketball level to prolong current players' sport span because the lack of reserve.
运动寿命是一个系统的、复杂的、动态的过程，CBA运动员运动寿命的长短反映了我国篮球运动水平的高低。
The span of sport life is a complicate, developing and systematic process, and the length of CBA athlete's sport span reflects our country's basketball level.
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