• 2021-04-14
    A:平面,B:球面,C:旋转椭球面,D:椭球面,E:圆柱面,F:抛物柱面,G:椭圆柱面,H:旋转抛物面,I:圆锥面,J:椭圆锥面,K:马鞍面。则:
    (1)是____;
    (2)是______;
    (3)是______;
    (4)是______;
    (5)是______;
    (6)是______;
    (7)是______;
    (8)是______;
    (9)是______;
    (10)是______;
    (11)是______;
    (12)是______;
    (13)是______;/ananas/latex/p/1045101/ananas/latex/p/28097/ananas/latex/p/958152/ananas/latex/p/39419/ananas/latex/p/973515/ananas/latex/p/47030/ananas/latex/p/645788/ananas/latex/p/36944/ananas/latex/p/34552/ananas/latex/p/422334/ananas/latex/p/1045357/ananas/latex/p/36098/ananas/latex/p/596597