2 |
3 |
A.(0,
| B.(0,
| C.(1,0,
| D.(1,
|
2 |
3 |
2 |
A.(0.1,0.2,0.3) | B.(0,0,0.001) |
C.(5,0,0) | D.(0,0.01,0) |
A.该三棱柱主视图的投影不发生变化 |
B.该三棱柱左视图的投影不发生变化 |
C.该三棱柱俯视图的投影不发生变化 |
D.该三棱柱三个视图的投影都不发生变化 |
A.(-2,3,-1) | B.(-2,-3,-1) | C.(2,-3,-1) | D.(-2,3,1) |
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