方形轮子的奇妙之旅

GeoGebra 命令及参数

1. CurveCartesian((5 * cos(t)), (5 * sin(t)), sqrt(2), t, 0, (2 * π)) → e
2. CurveCartesian((b, t, f(t)), t, -10, 10) → c
3. Surface((u * x(c(t))), (u * t), (u * f(t)), t, (-a), a, u, 0, 1) → d
4. Sequence(Rotate[c, ((w * 2) * π / 18)], w, 1, 36) → l1
5. Sequence(Rotate[d, ((w * 2) * π / 18)], w, 1, 36) → l2
6. Line(B, A) → g
7. OrthogonalPlane(A, g) → h
8. Circle(A, sqrt(2), g) → k
9. Circle(A, 1, g) → p
10. Plane(g, zAxis) → i
11. Intersect(i, p) → C, D
12. OrthogonalLine(C, i) → j
13. Intersect(j, k) → E, F
14. Rotate(F, (-4.5 * s), g) → F'
15. Rotate(F', π / 2, g) → F''
16. Rotate(F', (2 * π / 2), g) → F''_1
17. Rotate(F', (3 * π / 2), g) → F''_2
18. Polygon(F', F'', F''_1, F''_2) → q1, f', f'', f''_1, f''_2
19. Segment(A, B) → l