图所示受扭圆轴,正确的扭矩图为图( )。[img=389x219]18032d861154021.png[/img]
A: [img=248x91]18032d861ce23d6.png[/img]
B: [img=254x92]18032d8628c8b77.png[/img]
C: [img=252x98]18032d8632d5044.png[/img]
D: [img=252x91]18032d863e4e34d.png[/img]
A: [img=248x91]18032d861ce23d6.png[/img]
B: [img=254x92]18032d8628c8b77.png[/img]
C: [img=252x98]18032d8632d5044.png[/img]
D: [img=252x91]18032d863e4e34d.png[/img]
举一反三
- 图所示受扭圆轴,正确的扭矩图为图( )。[img=389x219]18032d861154021.png[/img] 未知类型:{'options': ['', '', '', ''], 'type': 102}
- 已知随机变量X的分布函数为[img=136x49]1803b69024c8270.png[/img] ,则X的均值和方差分别为 A: E(X)=2, D(X)=4 B: E(X)=4, D(x)=2 C: [img=162x43]1803b6902cd8bfb.png[/img] D: [img=162x43]1803b69034d9ffd.png[/img]
- 图所示受扭圆轴,正确的扭矩图为图( )。[img=237x116]17e442507cf6bfc.png[/img] 未知类型:{'options': ['', ' [img=169x59]17e442509222e0d.png[/img]', ' [img=183x55]17e442509cc026a.png[/img]', ' [img=191x56]17e44250a64b53d.png[/img]'], 'type': 102}
- 图所示受扭圆轴,正确的扭矩图为图( )。[img=237x116]17e0b2daadce59d.png[/img] 未知类型:{'options': ['', ' [img=169x59]17e0b2dac179f40.png[/img]', ' [img=183x55]17e0b2dacbc56e2.png[/img]', ' [img=191x56]17e0b2dad621cad.png[/img]'], 'type': 102}
- Which of the following propositions is false,set A = {x,x is an integer and[img=60x23]1803a1c6eebb7a3.png[/img]} ? ( ) A: [img=113x25]1803a1c6f77ce06.png[/img] B: [img=139x25]1803a1c7001fe79.png[/img] C: [img=51x22]1803a1c70863f61.png[/img] D: {x|x is an integer and |x| 4}[img=33x22]1803a1c711a7c63.png[/img]