[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f4Ixi8kmCmouPziWkCo1TKYe9vxNshyzU-IsZ-AU0KwA":3},{"id":4,"source":5,"question":6,"options":7,"answer":12,"related":13,"type":24,"origin":105,"createTime":26},121373897,"v1","机构具有确定运动的条件是",[8,9,10,11],"自由度等于1","自由度大于或等于1,且原动件数等于自由度数","原动件数等于自由度数","自由度大于零",[],[14,27,37,45,52,62,72,80,84,95],{"id":15,"source":5,"question":16,"options":17,"answer":22,"related":23,"type":24,"origin":25,"createTime":26},121373864,"若组成运动副的两构件间的相对运动是移动,则称这种运动副为( )",[18,19,20,21],"转动副","移动副","球面副","螺旋副",[],[],0,null,"2023-12-25T17:16:25+08:00",{"id":28,"source":5,"question":29,"options":30,"answer":35,"related":36,"type":24,"origin":25,"createTime":26},121373868,"机构具有确定相对运动的条件是( )",[31,32,33,34],"机构的自由度数目等于主动件数目","机构的自由度数目大于主动件数目","机构的自由度数目小于主动件数目","机构的自由度数目大于等于主动件数目",[],[],{"id":38,"source":5,"question":39,"options":40,"answer":43,"related":44,"type":24,"origin":25,"createTime":26},121373875,"构件运动确定的条件是( )",[41,11,42,8],"自由度大于1","自由度等于原动件数",[],[],{"id":46,"source":5,"question":47,"options":48,"answer":50,"related":51,"type":24,"origin":25,"createTime":26},121373884,"车轮在轨道上转动,车轮与轨道间构成( )",[18,19,20,49],"高副",[],[],{"id":53,"source":5,"question":54,"options":55,"answer":60,"related":61,"type":24,"origin":25,"createTime":26},121373888,"在机构中采用虚约束的目的是为了改善机构的运动状况和( )",[56,57,58,59],"美观","增加重量","对称","受力情况",[],[],{"id":63,"source":5,"question":64,"options":65,"answer":70,"related":71,"type":24,"origin":25,"createTime":26},121373893,"平面运动副的最大约束数为( ),最小约束数为1",[66,67,68,69],"3","2","1","0",[],[],{"id":73,"source":5,"question":74,"options":75,"answer":78,"related":79,"type":24,"origin":25,"createTime":26},121373894,"构件在一个平面内运动,最多有( )个自由度",[67,66,76,77],"4","5",[],[],{"id":4,"source":5,"question":6,"options":81,"answer":82,"related":83,"type":24,"origin":25,"createTime":26},[8,9,10,11],[],[],{"id":85,"source":5,"question":86,"options":87,"answer":92,"related":93,"type":94,"origin":25,"createTime":26},121373900,"机构自由度由下列哪些因素确定",[88,89,90,91],"活动构件数","零件个数","运动副类型及数目","原动件数",[],[],1,{"id":96,"source":5,"question":97,"options":98,"answer":103,"related":104,"type":94,"origin":25,"createTime":26},121373906,"下列哪些选项是低副的特点",[99,100,101,102],"压强小","寿命长","承载能力大","可传递复杂运动",[],[],{"courseName":106,"courseImg":107,"workName":108,"workId":109,"count":110,"courseId":111},"机械基础","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","平面机构的结构分析","90f7461d73da4cb09624ce1b9f01a4da",14,"8eba45253588c91aad02ad1c7f13ecd1"]