center-of-mass coordinate

例句：

1. 1.The center-of-mass coordinate of the object is determined by its mass and position.
   物体的质心坐标由其质量和位置决定。
2. 2. In aerodynamics, understanding the center-of-mass coordinate is crucial for predicting airflow patterns.
   在空气动力学中，理解质心坐标对于预测气流模式至关重要。
3. 3. The engineer used the center-of-mass coordinate to optimize the design of the aircraft's wings.
   工程师利用质心坐标优化了飞机机翼的设计。