training methods have changed
训练方法发生了变化
以上为机器翻译结果，长、整句建议使用 人工翻译 。
As the sport of cycling has evolved, training methods have changed, equipment has been refined, and performances have been enhanced.
随着自行车运动不断演化，训练方法不断改进，运动器材不断进步，运动员的成绩也得到了提高。
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