[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fX1j7OERQVHTWMOfjLm6BCbKQqyFYfHraxjaTsoof7eY":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2023-06-03 21:20:11",44331708,[8,9,10,11],"决定性","非决定性","欧拉准则","雷诺准则",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},5,"0b80112067a00fdffbb50a5ff238a242","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F1ae6c9b2ab12dbfd88f16d328fa9b83f.jpg","冶金传输原理","2a86ca03db9344a99702c8f845d24463","知识点32测验","当两个现象几何相似,单值性条件相似,且其-----准数在数值上相等时,二者必是相似的现象()",[21,26,34,43,52],{"answer":22,"createTime":5,"id":6,"options":23,"question":19,"source":24,"type":25},[],[8,9,10,11],"v1",0,{"answer":27,"createTime":5,"id":28,"options":29,"question":33,"source":24,"type":25},[],44331709,[30,31,11,32],"决定性准数","被决定性准数","马赫准则","两同类现象中---------彼此相等,则两现象必定相似.( )",{"answer":35,"createTime":5,"id":36,"options":37,"question":42,"source":24,"type":25},[],44331710,[38,39,40,41],"现象相似,同名准数相等","同名准则数相等,现象必相似","同类流动问题必然相似","具有相同的方程且单值性条件相似,现象就相似","下列说法不正确的是()",{"answer":44,"createTime":5,"id":45,"options":46,"question":51,"source":24,"type":25},[],44331711,[47,48,49,50],"6h","6.2 h","3.2 h","5 h","某大坝的泄洪道宽为20m,设计泄洪能力为125m3\u002Fs.现准备用1:15的模型来研究此泄洪道的流通特性,对应于泄洪道泄洪24h,模型应工作多长时间 ( )",{"answer":53,"createTime":5,"id":54,"options":55,"question":60,"source":24,"type":25},[],44331712,[56,57,58,59],"11m\u002Fs","12 m\u002Fs","11.25m\u002Fs","13 m\u002Fs","按1:30比例制成一根与空气管道几何相似的模型管,用粘性为空气的的50倍,而密度为800倍的水做模型实验. 若空气管道中的流速为6m\u002Fs,模型管中水流速应为( )才能与原模型相似"]