中国大学MOOC: http://edu-image.nosdn.127.net/34020EDBC4A7293C50A65E3B2ECD2315.png?imageView&thumbnail=890x0&quality=100如图所示,VD1、VD2均为理想二极管,下列哪个说法是正确的?
举一反三
- 中国大学MOOC: http://edu-image.nosdn.127.net/D41A2D54C5E0B96E42672C5984B71BB0.PNG?imageView&thumbnail=890x0&quality=100电路如图所示,下列哪个说法是对的?
- 逻辑电路如图(a) 所示,若各输入信号波形如图(b) 所示,则Q1、Q2的波形如图(c) 所示,对吗?假设两个触发器的初始状态均为0。http://edu-image.nosdn.127.net/BEBCCC056ABBD6F251A01C1C632863DF.png?imageView&thumbnail=890x0&quality=100 http://edu-image.nosdn.127.net/5592FA167A8A7D8C93AD633F0E01D161.png?imageView&thumbnail=890x0&quality=100http://edu-image.nosdn.127.net/C853EF51EFF13D688C5BEDB9CD8C030C.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: 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)
- 如图1、图2所示是创建Payment的两种不同的方案。根据GRASP原则,图2所示方案比较好。主要因为( )。图1 http://edu-image.nosdn.127.net/DF18F3334E87838BC00EE9B9524541E2.png?imageView&thumbnail=890x0&quality=100图2http://edu-image.nosdn.127.net/E8B44B9FE019478D075B56E84B93C2B2.png?imageView&thumbnail=890x0&quality=100