偏蓝的星团在星系拉出的残片流以及迎面相撞的区域形成。
The bluish star clusters have formed in the streamers of debris pulled from the galaxies and at the site of their head-on collision.
该装置将迎面而来的空气引向拖车周围，可立即增加车后部滑流压力。
The devices direct oncoming air around the trailer in such a way that it increases pressure in the area of the slipstream immediately behind the vehicle.
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