中国大学MOOC: 看懂给定三面投影图,选择与其对应的直观图。http://edu-image.nosdn.127.net/6C9F562B26B8950BE317B4648DA5154D.jpg?imageView&thumbnail=890x0&quality=100
举一反三
- 中国大学MOOC: 图(a)的诺顿等效图如图(b)所示,则图(b)中 Io= A,Ro= Ω。http://edu-image.nosdn.127.net/4018D75B6550915CDE33EED39E870551.png?imageView&thumbnail=890x0&quality=100 http://edu-image.nosdn.127.net/6325E7C7A0214BF71330DC72B2EECCDE.png?imageView&thumbnail=890x0&quality=100 (a) (b)
- 中国大学MOOC: 根据物体的三面投影图判断,其对应的立体图是( )。http://edu-image.nosdn.127.net/BBB570C1F424167A9A0D044770ED2FC0.png?imageView&thumbnail=890x0&quality=100
- 中国大学MOOC: 图(a)的戴维南等效图如图(b)所示,则图(b)中Uo= V,Ro= Ω。http://edu-image.nosdn.127.net/50E9EF209369F32D684FAE0A941D9CDC.png?imageView&thumbnail=890x0&quality=100 http://edu-image.nosdn.127.net/E3F6E50E9BBB665D9D085C2689D2F094.png?imageView&thumbnail=890x0&quality=100 (a) (b)
- 中国大学MOOC: 以下焊点正确的是:http://edu-image.nosdn.127.net/FE29E41E85FF3EA27C8E62C7DC594EBC.jpg?imageView&thumbnail=520x520&quality=100 http://edu-image.nosdn.127.net/457BFAA4B8DB598B694AB8DF8B528CBC.jpg?imageView&thumbnail=520x520&quality=100 http://edu-image.nosdn.127.net/BD6F3F90505DC8D24100786DC47489C1.jpg?imageView&thumbnail=520x520&quality=100 http://edu-image.nosdn.127.net/784C7A05C0173340085676F956E0064D.jpg?imageView&thumbnail=520x520&quality=100 图A 图B 图C 图D
- 中国大学MOOC: 实腹式轴压杆绕x,y轴的长细比分别为http://edu-image.nosdn.127.net/CEDDCE7A3BB52B52DC56A37DE9DF8675.png?imageView&thumbnail=890x0&quality=100,http://edu-image.nosdn.127.net/2715192C2D5C066B84F9EEC130D1DD78.png?imageView&thumbnail=890x0&quality=100,对应的稳定系数分别为http://edu-image.nosdn.127.net/051E7EF77A20CC8EE7AE73090D7D0B9F.png?imageView&thumbnail=890x0&quality=100,http://edu-image.nosdn.127.net/CDC96ACA4577E26B3DE9DBF3AFBCEC46.png?imageView&thumbnail=890x0&quality=100,若http://edu-image.nosdn.127.net/991E5D4B35F3193105567CAF1B1CB1EC.png?imageView&thumbnail=890x0&quality=100,则( ) 。