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本文根据刚体平面运动学,推导出平面图形上任一线段在自身平面内运动所扫过的面积公式,并讨论在各种几何条件中的面积计算。
In this paper, according to the rigid body plane kinematics, the area formula of any line segment on the plane graph swept in the self plane is derived, and the area calculation in various geometric conditions is discussed.