举一反三
- 中国大学MOOC: 图示结构杆1的轴力为0。http://edu-image.nosdn.127.net/9BB321A7C041A8F5A390E3629579625D.JPG?imageView&thumbnail=890x0&quality=100
- 中国大学MOOC: 图示拉杆承受轴向拉力F的作用。设斜截面m-m的面积为A,则s = F /A为( )。http://edu-image.nosdn.127.net/D377FB4EA8EC279E303A24EB3EE86E17.jpg?imageView&thumbnail=890x0&quality=100
- 中国大学MOOC: 下图中,若http://edu-image.nosdn.127.net/3CC508F9AB3640FC7B4FC8A56BCC3C4A.png?imageView&thumbnail=890x0&quality=100,http://edu-image.nosdn.127.net/1E98E4093ED9A9CF99D5410CB4F9E5FC.png?imageView&thumbnail=890x0&quality=1000011,求http://edu-image.nosdn.127.net/C431073D6B6C788B674E11D5E7EA9B8F.png?imageView&thumbnail=890x0&quality=100( )。http://edu-image.nosdn.127.net/3F2606B33B97941F5DFADC9F32BD58AD.png?imageView&thumbnail=890x0&quality=100
- 中国大学MOOC: 下列取代羧酸中酸性最强的是()。http://edu-image.nosdn.127.net/7C237BDF245EC393A5506C4874523609.png?imageView&thumbnail=890x0&quality=100、http://edu-image.nosdn.127.net/EFA954264582A372C3C9085E40BE80E9.png?imageView&thumbnail=890x0&quality=100、http://edu-image.nosdn.127.net/926CD4F17B92218A7FF5D06D34C5CAAF.png?imageView&thumbnail=890x0&quality=100、http://edu-image.nosdn.127.net/6504083F25D32BC8A95C11AC770935E2.png?imageView&thumbnail=890x0&quality=100
- 中国大学MOOC: 若作用在图示圆盘上的力偶系平衡,则力F的大小为( )http://edu-image.nosdn.127.net/B4C8D0D83EECB72C6E41A6B1E69935B0.png?imageView&thumbnail=890x0&quality=100
内容
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中国大学MOOC: 如图所示,C1 = 10μF,C2 = 10μF,C3 = 4μF,这三个混联电容器的等效电容等于_____ μF。http://edu-image.nosdn.127.net/65D6094B32A3CE849E8FB8FE96823CD2.png?imageView&thumbnail=890x0&quality=100
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中国大学MOOC: 图示为( )建筑。http://edu-image.nosdn.127.net/35343C2CAC2D2E14042806D7F19774A9.png?imageView&thumbnail=890x0&quality=100
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中国大学MOOC: 完成反应http://edu-image.nosdn.127.net/594594A10E4E79337B194D81E7911636.png?imageView&thumbnail=890x0&quality=100
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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( ) 。
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中国大学MOOC: http://edu-image.nosdn.127.net/8E989C885179CAD3E88F4ED14999CEF9.jpg?imageView&thumbnail=890x0&quality=100http://edu-image.nosdn.127.net/270D935AC13F8AC30775CB323882970C.jpg?imageView&thumbnail=890x0&quality=100