甜甜圈模型

GeoGebra 命令及参数

1. Circle((0, 0), 5) → c
2. Sequence((Element[L_1, i]; ((i * 360 / n_2))°), i, 1, n_2, 1) → l1
3. Sequence((Element[L_1, i]; (((i - 1) * 360 / n_2))°), i, 1, n_2, 1) → l2
4. Sequence(CircleSector[(0, 0), Element[l2, i], Element[l1, i]], i, 1, n_2, 1) → l3
5. Circle((0, 0), 3.5) → s
6. Circle((0, 0), 3) → t
7. Element(l3, 1) → h
8. Element(l3, 2) → k
9. Element(l3, 3) → p
10. Element(l3, 4) → q
11. Element(l3, 5) → r
12. Sequence((6.5; ((i * 360 / n_2))°), i, 1, n_2, 1) → l4
13. Sequence(Segment[(0, 0), Element[l4, i]], i, 1, n_2) → l5
14. Sequence((Element[L_2, i]; ((i * 360 / n_1))°), i, 1, n_1, 1) → l6
15. Sequence((Element[L_2, i]; (((i - 1) * 360 / n_1))°), i, 1, n_1, 1) → l7
16. Sequence(CircleSector[(0, 0), Element[l7, i], Element[l6, i]], i, 1, n_1, 1) → l8
17. Sequence((1.1; ((i * 360 / n_1))°), i, 1, n_1, 1) → l9
18. Sequence(Segment[(0, 0), Element[l9, i]], i, 1, n_1, 1) → l10
19. mean(L_2) → misoz
20. stdevp(L_2) → o
21. mean(L_1) → v
22. stdevp(L_1) → w
23. mean(Sequence[Element[L_2, i], i, 1, n_1, 1]) → b_1
24. stdevp(Sequence[Element[L_2, i], i, 1, n_1, 1]) → o_1
25. mean(Sequence[Element[L_1, i], i, 1, n_2, 1]) → u_1
26. stdevp(Sequence[Element[L_1, i], i, 1, n_2, 1]) → v_1
27. Element(l3, 6) → e_2
28. Element(l3, 7) → f_2
29. Circle((0, 0), 1.1) → c_1
30. Circle((0, 0), 1) → d_2
31. Element(l8, 9) → d_1
32. Element(l8, 8) → e_3
33. Element(l8, 7) → f_1
34. Element(l8, 6) → g_1
35. Element(l8, 5) → h_1
36. Element(l8, 4) → k_1
37. Element(l8, 3) → p_1
38. Element(l8, 2) → q_1
39. Element(l8, 1) → t_1
40. Element(l8, 10) → c_2
41. Element(l8, 11) → s_8
42. Sequence((0.75; (180°) / n_1 + ((i - 1) * (360°) / n_1)), i, 1, n_1, 1) → l11
43. Sequence((4; (150°) / n_2 + ((i - 1) * (360°) / n_2)), i, 1, n_2, 1) → l13
44. Sequence(Text[Element[textoek, i], Element[l13, i], false, true], i, 1, n_2, 1) → l14
45. Sequence(Text[Element[texte, i], Element[l11, i], false, true], i, 1, n_1, 1) → l12