三维坐标系中的点：几何与坐标的结合

GeoGebra 命令及参数

1. Intersect(yAxis, zAxis) → D
2. Point(xAxis) → E
3. Point(yAxis) → F
4. Point(zAxis) → B
5. Plane(D, F, B) → p
6. Plane(D, E, B) → r
7. OrthogonalLine(A, r) → f
8. OrthogonalLine(A, p) → g
9. Intersect(f, r) → C
10. Intersect(g, p) → G
11. OrthogonalLine(C, p) → h
12. OrthogonalLine(G, r) → i
13. Intersect(h, i) → H
14. Intersect(yAxis, xAxis) → I
15. Point(yAxis) → J
16. Point(xAxis) → K
17. Plane(I, J, K) → q
18. OrthogonalLine(C, q) → j
19. OrthogonalLine(G, q) → k
20. OrthogonalLine(A, q) → l
21. Intersect(j, xAxis) → L
22. Intersect(k, yAxis) → M
23. Intersect(l, q) → N
24. Polygon(N, M, I, L) → q1, n, m, i_1, l_1
25. Prism(q1, A) → a, O, edgeMO, edgeIP, edgeLQ, edgeAO, edgeOP, edgePQ, edgeAQ, P, Q, faceANMO, faceIMOP, faceILQP, faceANLQ, faceAOPQ, edgeAN
26. Midpoint(edgeAQ) → R
27. Midpoint(edgeAO) → S
28. Midpoint(edgeAN) → T
29. Segment(L, N) → s
30. Segment(N, M) → t