first motion approximation

例句：

1. 1. In the field of robotics, first motion approximation is a crucial technique for determining the trajectory of a robot's arm.
   在机器人学领域，第一运动近似是确定机器人手臂轨迹的关键技术。
2. 2.The researchers used first motion approximation to simulate the behavior of the human brain during sleep.
   研究人员使用第一运动近似来模拟人类大脑在睡眠期间的行为。
3. 3. First motion approximation has been shown to be effective in reducing errors in computer graphics rendering.
   研究表明，第一运动近似在计算机图形渲染中有效减少误差。