设集合, A上的关系 , , 则 = ________________________, =____________________________, =________________________.https://img-ph-mirror.nosdn.127.net/Ir_BnXKpLuVzUv8qV7DePQ==/2596043710222405203.pnghttps://img-ph-mirror.nosdn.127.net/W0kxC_oqhCGcgMXSIxmrNA==/6608671813352373524.pnghttps://img-ph-mirror.nosdn.127.net/HMPOvS1yBV1g-eoGPCLtlw==/6631646108818998910.pnghttps://img-ph-mirror.nosdn.127.net/4eO2QDOmozl6k9VETPbb4w==/6608268292585874055.pnghttps://img-ph-mirror.nosdn.127.net/6cXPP6rjlU7ck0eZJzL6Bg==/1237645472697074344.pnghttps://img-ph-mirror.nosdn.127.net/HsOfJ7hBkTkJ0DABRo-H4g==/6597830628705090333.pnghttps://img-ph-mirror.nosdn.127.net/0Vf76qI2ztdq1ovUkaFePw==/6608268292587415060.pnghttps://img-ph-mirror.nosdn.127.net/LuQvCoi51wQzU--Fomwenw==/6597909793542286834.png
举一反三
- 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
- 图所示机构的自由度为（ ）。[img=175x154]18034e434a30cd8.jpg[/img] A: n=7, PL=10, Ph=1, F=0 B: n=7, PL=10, Ph=1, F=0 C: n=8, PL=12, Ph=0, F=0 D: n=7, PL=10, Ph=0, F=1
- 设,有划分，则，分别为https://img-ph-mirror.nosdn.127.net/_kVuHX7nBFHlNfzR3AeTRQ==/6631704382934470362.pnghttps://img-ph-mirror.nosdn.127.net/4QRI30JkP7V6jj57tHynuQ==/6608641027026760798.pnghttps://img-ph-mirror.nosdn.127.net/orOIv8YcdU_h_lUOdGNFCg==/6608226511145727302.pnghttps://img-ph-mirror.nosdn.127.net/giAuaiFtJSeucb0heLidqQ==/6597538158612635068.pnghttps://img-ph-mirror.nosdn.127.net/x1gGO27o3MWmLN9driNajQ==/1045116588544232433.pnghttps://img-ph-mirror.nosdn.127.net/A4wrtpUR5BGSeNCmbq_OcA==/1383168035656711023.png
- 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
- 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