抛物线运动演示

GeoGebra 命令及参数

1. Intersect(xAxis, zAxis) → O
2. OrthogonalLine(O, xOyPlane) → f
3. Cone(C, O, rc) → a, c, b
4. Mirror(C, O) → C'
5. Cone(C', O, rc) → d, e, g
6. Line(A, O) → i
7. Mirror(A, B) → A'
8. Vector(O, C) → u
9. Circle(A, ra, u) → k
10. Circle(B, rb, f) → h
11. Line(A', O) → j
12. Intersect(h, k) → D, E_1, ,
13. Midpoint(D, E_1) → G'
14. Line(G', i) → n
15. Intersect(n, zAxis) → G
16. Rotate(B, β, G, xOyPlane) → B'
17. Plane(G, G', A) → l
18. Plane(E_1, D, G) → m
19. OrthogonalLine(G, m) → q
20. Point(q) → H
21. Vector(G, H) → v
22. Plane(E_1, D, I) → o
23. IntersectPath(o, a) → r
24. IntersectPath(o, d) → s
25. Intersect(j, r) → J,
26. Intersect(f, o) → K
27. Line(J, I) → t
28. AngularBisector(t, j) → f_1, g_1
29. Intersect(f, f_1) → L_1
30. OrthogonalLine(L_1, j, space) → h_1
31. Intersect(j, h_1) → M_1
32. Sphere(L_1, M_1) → w
33. OrthogonalLine(L_1, o) → i_1
34. Intersect(i_1, o) → F
35. OrthogonalPlane(M_1, f) → a_1
36. IntersectPath(a_1, w) → c_1
37. Intersect(i, s) → N,
38. Midpoint(J, N) → M
39. Mirror(F, M) → F'
40. Mirror(T, B) → T'
41. Line(T', O) → p
42. Line(T, O) → j_1
43. Line(T, O) → k_1
44. IntersectPath(o, a_1) → L
45. Line(R, O) → m_1
46. Intersect(m_1, r) → P,
47. Intersect(m_1, c_1) → E,
48. OrthogonalLine(P, a_1) → n_1
49. Intersect(n_1, a_1) → S
50. OrthogonalLine(P, L, space) → p_1
51. Intersect(L, p_1) → U
52. Angle(L, p_1) → γ
53. Segment(U, S) → q_1
54. Segment(S, E) → r_1
55. Segment(P, U) → s_1
56. Segment(P, E) → t_1
57. Segment(F, P) → b_1
58. Angle(r_1, n_1) → δ
59. Segment(P, S) → d_1