音乐伴奏难美项群自身发挥系统的可控因素包括：成套价值、难度选择、训练组织、专项储备和参赛心理。
Self exertion system includes routine value, elements selection, training organization, and ability repertory and competition psychology five basic factors.
音乐伴奏难美项群自身发挥系统的可控因素包括：成套价值、难度选择、训练组织、专项储备和参赛心理。
Self exertion system includes routine value, elements selection, training organization, and ability repertory and competition psychology five basic factors.
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