下面图片中的腿足名称是？https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/d38744ec8b97443d8546ba341cfd5663.png
举一反三
- Photoshop中要在图片中输入文字，用到的工具按钮是（ ） A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/c0c50098dece4e42b091271a5f9e3a12.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/5720e52f331147b2908ad71505b0a75d.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/23261f8b02b04a18afc9d58501bc97ba.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/8630dd134cdd4b4d9f3aba5deb1a0ec7.png" />
- 下面描述一维束缚态的波函数有 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/0dc6a51659af4ff6801d10031dad12e8.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/3ab84b1e7024465d9e701a5ea032b8ee.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/f11031c46e9649d2a247f6129ff6cfc1.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/e42414836bd1409f8eece2f05f8ece36.png" />
- 如图所示电路的逻辑表达式F=（ ）。<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/8655693a417e4e43a32e0732ed533c96.png" /> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/beda73211aea49f082d9137fd4eb0526.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/7388c99ee0824f20bcf85893934a2f6a.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/9a5c81e78b344c79a9389e932a7f55ce.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/82193a9a030243728012b02e15718987.png" />
- 如图示并联管路，已知各支路的沿程阻力系数之比为<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/6e209020d20f4543823ce6516ae8ca06.png" />，管长之比为<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/50814fe028094040bc955d8e1542b6d2.png" />，且<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/40b4c6a9565b483590c5c7d607e7ed66.png" />，则两支管的流量之比<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/1055534bfce6426a94682ba086a5b17e.png" />=（）。<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/77815369f5cd41f3a2e68b9524b454c5.png" /> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/0cd231eebe45465f941a0f614743e6d2.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/7555afa5223e40bf89ca575cf7b52754.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/1b06cd474b844644a6d97ad87d208e94.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/d0b2bca045414236a7d1c9925a9264f2.png" />
- 电路如图所示。则u01、u0与 uI的运算关系分别为（ ）、（ ）。 <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/418adfb996644706aef30b7d2841ccb9.png" /> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/ffe4934c2b0748428937c24c7ff16c3b.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/1da45f59ab0845f7be8cdc1f80a78caa.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/ca685a45d5764329b8551eb6eaeb6a58.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/d3f91ade92954e7fbd65a917b04cc13b.png" />