球体互动
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这个范例演示了球体的几何特性。它涉及球体、向量和余弦定理等核心数学概念。通过使用GeoGebra命令如Line, Point, Ellipse, Intersect等,可以构造球体的截面、切线等。适合高中数学教学和学习。
GeoGebra 命令及参数
Line(A, B) → aPoint(a) → DPoint(a) → FEllipse(D, F, G) → cIntersect(c, a, 1) → HIntersect(c, a, 2) → ISegment(H, I) → bMidpoint(b) → JCircle(J, I) → dCircle(J, F) → eSegment(J, F) → fLine(A_1, B_1) → a_1Point(a_1) → D_1Point(a_1) → F_1Ellipse(D_1, F_1, G_1) → c_1Intersect(c_1, a_1, 1) → H_1Intersect(c_1, a_1, 2) → I_1Segment(H_1, I_1) → b_1Midpoint(b_1) → J_1Circle(J_1, I_1) → d_1Circle(J_1, F_1) → e_1Segment(J_1, F_1) → f_1Line(A_2, B_2) → a_2Point(a_2) → D_2Point(a_2) → F_2Ellipse(D_2, F_2, G_2) → c_2Intersect(c_2, a_2, 1) → H_2Intersect(c_2, a_2, 2) → I_2Segment(H_2, I_2) → b_2Midpoint(b_2) → J_2Circle(J_2, I_2) → d_2Circle(J_2, F_2) → e_2Segment(J_2, F_2) → f_2