抛物线山脉
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①本范例通过 GeoGebra 演示抛物线山脉的生成与变换;②涉及核心数学概念包括抛物线、解析几何、几何变换;③作图要点运用了 Point(点)、Semicircle(半圆)等 GeoGebra 命令与对象;④适合高中数学学生及几何变换学习。
GeoGebra 命令及参数
Point(c) → BPoint(c) → CSemicircle(B, C) → dPoint(e) → APoint(e) → DSemicircle(A, D) → fPoint(e_1) → A_1Point(e_1) → D_1Point(e_2) → A_2Point(e_2) → D_2Semicircle(A_2, D_2) → f_1Point(e_1) → EPoint(e_1) → FSemicircle(F, E) → g