a system that uses coordinates to establish position
a system of assumptions and standards that sanction behavior and give it meaning
frame of reference的用法和样例:
例句
Or your reference frame is at rest in an aircraft that accelerates rapidly on takeoff. 另外,你的参照系静止在一架起飞之后迅速加速的飞机上。
Additional insight is gained by examining the elastic collision of equally massive particles in the center-of-mass frame of reference. 对质量相等的两质点的弹性碰撞更彻底的理解,可通过质心参照系而获得。