基本解释质心同根派生 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.以最终停车位置反推碰撞后事故车质心可能的滑行轨迹，再用优化理论确定事故车碰撞位置。centroids更多例句