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GeoGebra 命令及参数

1. Point(Segment[(0.5, 0), (5, 0)]) → A
2. Mirror(A, yAxis) → A'
3. OrthogonalLine(A', xAxis) → f
4. OrthogonalLine(A, xAxis) → g
5. Point(Segment[(x(A), -0.5), (x(A), -5)]) → B
6. OrthogonalLine(B, g) → h
7. Line(A', A) → i
8. Intersect(f, h) → C
9. Polygon(A', A, B, C) → q1, a', a, b, c
10. Point(a') → D
11. Circle(D, rope) → d
12. Mirror(A', A) → A''
13. Mirror(A, A') → A'_{1}
14. Mirror(A, B) → A'_{2}
15. Mirror(A', C) → A''_{1}
16. Ray(A, A'') → j
17. Ray(A', A'_{1}) → k
18. Ray(C, A''_{1}) → l
19. Ray(B, A'_{2}) → m
20. Intersect(d, j) → E,
21. Intersect(d, k) → F,
22. Intersect(d, a') → G, H
23. Semicircle(G, E) → e
24. Semicircle(G, H) → p
25. Semicircle(F, H) → q
26. Semicircle(F, E) → r
27. Circle(A, E) → s
28. Intersect(s, a) → I,
29. Intersect(s, m) → J,
30. CircleArc(A, J, E) → t
31. CircleArc(A, I, E) → c_1
32. Semicircle(F, G) → d_1
33. Circle(A', F) → e_1
34. Intersect(e_1, c) → K,
35. Intersect(e_1, l) → L,
36. CircleArc(A', F, L) → f_1
37. CircleArc(A', F, K) → g_1
38. Circle(B, J) → h_1
39. Intersect(h_1, b) → M, N_{1}
40. CircleArc(B, M, J) → k_1
41. Circle(C, L) → p_1
42. Intersect(p_1, b) → N, O
43. CircleArc(C, L, N) → q_1
44. CircleArc(B, N_{1}, J) → r_1