基本解释質心同根派生 centroids相关词英汉例句The trajectories of vehicle centroids are inferred from their stop positions, and the colliding position is determined by the optimization theory.以最終停車位置反推碰撞後事故車質心可能的滑行軌跡，再用優化理論確定事故車碰撞位置。centroids更多例句