求翻译：表演性健美操主要作用是介绍、推广、传播及带动健美操的发展，具有很强的展示性及观赏性。表演性健美操操常作为节日庆典或晚会的节目出现在舞台或广场上。表演性健美操的动作较健身性健美操动作复杂，音乐速度可快可慢，为了保证一定的表演效果，动作重复较少，不对称性动作多。在参与的人数上可是单人，也可是多人，并可在成套中加入队形变化和集体配合的动作是什么意思？

Performance Aerobics main role is to introduce, promote, disseminate and promote the development of aerobics, and has a strong display of ornamental. Performance Aerobics exercise often as festivals or evening programs appeared on the stage or the square. Performance of the Aerobics Fitness Aerobics

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The performing body-building exercises main function is the introduction, promoted, the dissemination and the impetus body-building exercises development, has very strong demonstrative and ornamental.The performing body-building exercises holds often appears as the holiday celebration either the par

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