举一反三
- 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: 有一同步时序电路，由三个上升沿触发的D 触发器构成，其控制输入http://edu-image.nosdn.127.net/7DEA4A23EEC2A02233C260328C46E6E0.png?imageView&thumbnail=520x520&quality=100，http://edu-image.nosdn.127.net/EB3284C90361524DFE3E403132BB980E.png?imageView&thumbnail=520x520&quality=100，http://edu-image.nosdn.127.net/C2F14E7F354402A2A6863EDE13B3DE71.png?imageView&thumbnail=520x520&quality=100，则该电路可产生循环长度为7 的序列，设起始状态http://edu-image.nosdn.127.net/3582A168AAF01A5340FDF2D446BCCF1F.gif，由http://edu-image.nosdn.127.net/69F7AF77ECE598E445FE3DE4400F451C.gif输出，则此序列为
- <img src="http://edu-image.nosdn.127.net/94BA9A5B35831938F42CE4652A023518.jpg?imageView&thumbnail=520x520&quality=100" />?
- 中国大学MOOC: http://edu-image.nosdn.127.net/3A185331E6505ED64E7FFA4F58A1BFB6.JPG?imageView&thumbnail=520x520&quality=100
- 中国大学MOOC: http://edu-image.nosdn.127.net/876A7745CBB86093D241A546AA42537E.JPG?imageView&thumbnail=520x520&quality=100
内容
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中国大学MOOC: http://edu-image.nosdn.127.net/BB291119526CF6D7AB1DC2FD94D144F4.JPG?imageView&thumbnail=520x520&quality=100
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<img src="http://edu-image.nosdn.127.net/E899D297FE26C90E7FA982530DBDFC86.jpg?imageView&thumbnail=520x520&quality=100" />? 3|10|5|20
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<img src="http://edu-image.nosdn.127.net/1701CBC9FFD5E8DDE9299B07D6FC9F28.jpg?imageView&thumbnail=520x520&quality=100" />? 错误|正确
- 3
在边长为l的立方箱中运动的质量为m的自由粒子最低能级的能量是 。? 0<br >|<img src="http://edu-image.nosdn.127.net/25BE3F370428717C866537A7D7C844D5.PNG?imageView&thumbnail=520x520&quality=100" />|<img src="http://edu-image.nosdn.127.net/510E594B10F3DC61959F5AE3038F09D8.PNG?imageView&thumbnail=520x520&quality=100" />|<img src="http://edu-image.nosdn.127.net/06DF85CB1CE475D5CB97DC45131A1C60.PNG?imageView&thumbnail=520x520&quality=100" />
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图示电路中，已知电流源<img src="http://edu-image.nosdn.127.net/85902C91DE56CAB93E99D0255A23B10D.JPG?imageView&thumbnail=520x520&quality=100" />互感M=1H，a、b两端的开路电压为 ; ;;V。<br ><img src="http://edu-image.nosdn.127.net/C852E58D8231E03C27740A58A548D688.JPG?imageView&thumbnail=520x520&quality=100" />?