[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fZ24AM4d9nH3Ya5FNL_jaD2-a5EU43L0R8a-Uetf0ZV4":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2025-12-16 15:47:44",268606135,[8,9,10,11],"任意位置的热流密度可根据温度场得到","基于大量实践经验得到","热流方向可以不垂直于等温线","热流方向与温度梯度方向相反",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},10,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_48921207","导热(1)","关于傅立叶定律,不正确的说法是",[21,32,41,50,53,62,71,80,89,98],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],268606129,[25,26,27,28],"通电后变红的电热丝","液体沸腾","手触摸冰块","铁块在空气中冷却","下列热传递现象中,属于导热的有","v1",0,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],268606130,[36,37,38,39],"温度场内可以存在多条等温线","温度场无法描述不同时刻的温度分布","变化的温度分布不能用温度场来描述","温度可以随时间而变化,但无法用温度场描述","下列关于温度场的说法,正确的是",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":30,"type":31},[],268606133,[45,46,47,48],"某个瞬间温度相同的点可以构成等温线","不同等温线可以相交","同一温度有多条等温线","等温线上的温度可以不相同","关于等温线的说法,正确的是",{"answer":51,"createTime":5,"id":6,"options":52,"question":19,"source":30,"type":31},[],[8,9,10,11],{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":30,"type":31},[],268606136,[57,58,59,60],"与导热方向相同","与导热方向相反","沿等温面的法向指向温度减少的这一边","不一定","温度梯度的方向为:()",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":30,"type":31},[],268606137,[66,67,68,69],"t=f(x,y,z,τ)","t=f(x,y,z)","t=f(τ)","t=f(x,y,τ)","温度场最一般的数学描述为()",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":30,"type":31},[],268606140,[75,76,77,78],"铜","铝合金","铁","不锈钢","以下哪种材料的导热系数大()",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":30,"type":31},[],268606141,[84,85,86,87],"导热系数","热流密度","导热面积","温差","多层平壁稳态导热时,热阻大的那层,()大",{"answer":90,"createTime":5,"id":91,"options":92,"question":97,"source":30,"type":31},[],268606144,[93,94,95,96],"温度场和热流密度都不随时间变化","温度场不变,热流密度随时间变化","热流密度不变,温度场随时间变化","温度场和热流密度都随时间变化","非稳态导热的()",{"answer":99,"createTime":5,"id":100,"options":101,"question":106,"source":30,"type":31},[],268606145,[102,103,104,105],"增大系统热阻","增大传热面积","增大传热系数","增大对流传热系数","在稳态传热过程中,传热温差一定,如果希望系统传热量增大,则不能采用下述哪种手段"]