However, in group dance, the changes in movements, formation, position, rhythm and speed must rely on the cue of music.

但在集体舞蹈中，动作的更换，队形和地位的变化，节奏强弱，速度快慢，都是离不开音乐提示的。

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The trust has struggled to control its financial position since its formation in 2006 which has led to a number of restrictions on services such as IVF treatment and injections for chronic back pain.

BBC: North Yorkshire GPs set to inherit lower NHS debt

Although vehicles approaching the space station, such as the shuttle, will frequently hold their position just metres away from the platform, this formation flying is very short-lived.

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In early 2012, they laid the bones in formation on the workshop floor and shot a photograph from overhead: a large dinosaur curled in a loose fetal position, with Eric kneeling beside it, hands on hips, smiling up at the camera.

NEWYORKER: Bones of Contention