The technical routines of synchronized swimmer are accompanied with music.

花样游泳的自选动作有音乐伴奏。

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For synchronized swimming world championships the competitions shall be: technical routines free routines and free routines final.

参加花样游泳世界锦标赛必须经过以下几个项目的角逐：规定动作比赛，自选动作预赛及自选动作决赛。

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I hope that this series of articles inspires other developers to implement math routines in PHP for the pleasure, technical, or learning challenges involved.

我希望这个系列的文章能启发其他开发人员出于乐趣、技术或学习挑战的目的而用php来实现数学例程。

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