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考测点导航 1.圆柱和圆锥的侧面展开图以及圆柱和圆锥侧面积、表面积的计算; 2.圆锥的锥角; 3.简单的旋转几何体的表面积的计算。
Measurement point navigation 1. The development of cylindrical and conical side surfaces and the calculation of cylindrical and conical side areas and surface areas; 2. Cone taper angles; 3. Simple calculation of the surface area of rotating geometry.