6、根据圆柱被截切后的正面投影和水平投影,选择正确的侧面投影。[img=100x195]1802e9a749460e2.jpg[/img]
A: [img=104x195]1802e9a75490d41.jpg[/img]
B: [img=119x195]1802e9a76020376.jpg[/img]
C: [img=110x195]1802e9a76bbfb7b.jpg[/img]
D: [img=111x195]1802e9a77769cce.jpg[/img]
A: [img=104x195]1802e9a75490d41.jpg[/img]
B: [img=119x195]1802e9a76020376.jpg[/img]
C: [img=110x195]1802e9a76bbfb7b.jpg[/img]
D: [img=111x195]1802e9a77769cce.jpg[/img]
举一反三
- 6、根据圆柱被截切后的正面投影和水平投影,选择正确的侧面投影。[img=100x195]1802e9a749460e2.jpg[/img] 未知类型:{'options': ['', '', '', ''], 'type': 102}
- 9、根据圆锥被截切后的正面投影和水平投影,选择正确的侧面投影。[img=120x209]1802e9a7e892249.jpg[/img] A: [img=99x209]1802e9a7f3d7714.jpg[/img] B: [img=115x209]1802e9a7ff3dab0.jpg[/img] C: [img=108x209]1802e9a80b095e4.jpg[/img] D: 以上三个选项都不符合题意,是错误的投影图。
- 5、根据圆柱被截切后的正面投影和水平投影,选择正确的侧面投影。[img=125x207]1802e9a70eee314.jpg[/img] A: [img=113x207]1802e9a71aaf8ab.jpg[/img] B: [img=103x207]1802e9a725f37a2.jpg[/img] C: [img=111x207]1802e9a732495e9.jpg[/img] D: [img=100x207]1802e9a73d9a0bb.jpg[/img]
- 4、根据圆柱被截切后的正面投影和水平投影,选择正确的侧面投影。[img=128x183]1802e9a6d51438a.jpg[/img] A: [img=99x172]1802e9a6dfd87c0.jpg[/img] B: [img=97x172]1802e9a6ea21246.jpg[/img] C: [img=103x172]1802e9a6f6f4851.jpg[/img] D: [img=92x172]1802e9a702a7cce.jpg[/img]
- (5切比雪夫不等式)设随机变量X的期望E(X)=μ,方差D(X)=[img=14x17]17e43703436673a.jpg[/img],利用切比雪夫不等式估计P{|X-E(X)|[img=30x16]17e437fbfd2e01c.jpg[/img]}>; () A: 1/9 B: 1/3 C: 8/9 D: 1