下列化合物经羟汞化-脱汞生成的产物是http://edu-image.nosdn.127.net/8976BA3B0CE4E17C54AB2F92B1A2907F.PNG?imageView&thumbnail=890x0&quality=100
举一反三
- 模糊集合是对普通集合的扩展，它将m=0或m =1的取值范围扩大到在[0, 1]整个闭区间上的___________，记作http://edu-image.nosdn.127.net/F4402B02F728258093E85069D9E2430C.png?imageView&thumbnail=890x0&quality=100，称为隶属函数。http://edu-image.nosdn.127.net/15CD63239CEAE16D1B07D6567F552946.png?imageView&thumbnail=890x0&quality=100的大小反映了元素x对于模糊集合http://edu-image.nosdn.127.net/03F3F3DBF73AC889513956FEFFEE7FAD.png?imageView&thumbnail=890x0&quality=100的___________。
- 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
- 设A为4×3阶矩阵，B为3×4阶矩阵，则下列说法正确的是 A: |AB|=0 B: AB不可逆 C: |AB|=|BA| D: BA可逆 E: |BA|=0 F: |BA|≠0
- 在图中，图1和图2说明了什么？ http://edu-image.nosdn.127.net/5A4058D817B3257941FD9433C06B41C7.png?imageView&thumbnail=890x0&quality=100 http://edu-image.nosdn.127.net/AA8603CD09CD01384BE2BE87AC9B8F56.png?imageView&thumbnail=890x0&quality=100
- 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( ) 。