已知图示正弦稳态电路中，，， 与同相位，则电阻等于（）https://img-ph-mirror.nosdn.127.net/nfsvfafQQ-s9705aqSe83g==/1162773128809331192.jpghttps://img-ph-mirror.nosdn.127.net/1CYCIHT8eHzO9zvgSekljQ==/2788572594289995839.pnghttps://img-ph-mirror.nosdn.127.net/AOBg8D1t2REBRnqQ4E01Ew==/2886244411208681638.pnghttps://img-ph-mirror.nosdn.127.net/vO9YXxtDLO9V3W1XvSWC_Q==/2768587870943536477.pnghttps://img-ph-mirror.nosdn.127.net/nSu8h9F7trtIa3IUpAe4xg==/6619211731816726558.pnghttps://img-ph-mirror.nosdn.127.net/ESY9hFi23NAabl9RRfSZcA==/6599274287471122402.png
举一反三
- 图所示机构的自由度是（ ）。[img=197x160]18034e492717e18.jpg[/img] A: n=8, PL=11, Ph=1, F=1 B: n=8, PL=10, Ph=2, F=2 C: n=9, PL=12, Ph=2, F=1 D: n=9, PL=13, Ph=0， F=1
- 图所示机构的自由度是（ ）。[img=374x158]18034e4940516e4.png[/img] A: n=7, PL=9, Ph=1, F=2 B: n=8, PL=10, Ph=1, F=3 C: n=8, PL=11, Ph=1, F=1 D: n=7, PL=10, Ph=0， F=1
- 图所示机构的自由度是（ ）。[img=225x225]18034e49029b42b.jpg[/img] A: n=7, PL=10, Ph=0, F=1 B: n=9, PL=12, Ph=2, F=1 C: n=8, PL=11, Ph=1, F=1 D: n=8, PL=11, Ph=0, F=2
- 设和是上的关系，是所有人的集合，是的父亲,是的母亲，则表示关系 。https://img-ph-mirror.nosdn.127.net/ESY9hFi23NAabl9RRfSZcA==/6599274287471122402.pnghttps://img-ph-mirror.nosdn.127.net/dl2wfIFSXjd5ao0S-jNKpg==/3190800336092245485.pnghttps://img-ph-mirror.nosdn.127.net/viu09dkVU62lxQQrip7sig==/6608414527632298491.pnghttps://img-ph-mirror.nosdn.127.net/viu09dkVU62lxQQrip7sig==/6608414527632298491.pnghttps://img-ph-mirror.nosdn.127.net/dsKr_a4ypriQVYd7THzq7Q==/1273111319681924125.pnghttps://img-ph-mirror.nosdn.127.net/7tR6HCBv0lqp1Ocndc-ewQ==/6608204520911440137.pnghttps://img-ph-mirror.nosdn.127.net/l12iRFR3uQ7XKxTSDY2vbg==/6630640055676431735.pnghttps://img-ph-mirror.nosdn.127.net/9r8OCogmCkBNd89da3sH9w==/6632361890888612397.pnghttps://img-ph-mirror.nosdn.127.net/7tR6HCBv0lqp1Ocndc-ewQ==/6608204520911440137.pnghttps://img-ph-mirror.nosdn.127.net/l12iRFR3uQ7XKxTSDY2vbg==/6630640055676431735.pnghttps://img-ph-mirror.nosdn.127.net/ehdh6-LivS45DNXSYLhrYA==/6632336602121178249.png
- 吴昕[img=658x1170]17e43dbddc1f94f.png[/img]刘涛[img=708x470]17e43dbe0ec255e.png[/img] A: 1 B: 2 C: 3 D: 4 E: 5 F: 6 G: 7 H: H. 8 I: I. 9