[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fEkqkuDh-PIl_2183abKWsQlSlX0Y5cgRZORZr2foC6s":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":24,"type":25},[],"2025-08-13 11:03:34",214486521,[8,9,10,11],"sal","stl","sae","rat",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},142,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","exam_167020085","单元测验二","3D打印文件的格式是什么___________",[21,26,35,44,53,62,71,80,89,95],{"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":34,"source":24,"type":25},[],214486522,[30,31,32,33],"塑料","金属","木材","陶瓷","以下哪种材料不属于3D打印常用材料___________",{"answer":36,"createTime":5,"id":37,"options":38,"question":43,"source":24,"type":25},[],214486523,[39,40,41,42],"FDM","SLA","SLS","3DP","目前精度最高的3D打印技术是___________",{"answer":45,"createTime":5,"id":46,"options":47,"question":52,"source":24,"type":25},[],214486524,[48,49,50,51],"1.75mm或3mm","1.85mm或3mm","1.85mm或2mm","1.75mm或2mm","市场上常见的3D打印机所用的打印材料直径为___________",{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":24,"type":25},[],214486525,[57,58,59,60],"3D打印是一种以数字模型文件为基础,通过逐层打印的方式来构造物体的技术","3D打印技术起源于上世纪80年代,至今不过三四十年的历史","3D打印多用于工业领域,尼龙、石膏、金属、塑料等材料均能打印","3D打印技术为快速成型技术,打印速度十分迅速,成型往往仅需要几分钟的时间","下列关于3D 打印技术描述不正确的是___________",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":24,"type":25},[],214486526,[66,67,68,69],"对复杂性无敏感度,只要有合适的三维模型均可以打印","对材料无敏感度,任何材料均能打印","适合制作少量的个性化定制物品,对于批量生产优势不明显","虽然技术在不断改善,但强度与精度与部分传统工艺相比仍有差距","下列对3D打印特点的描述,不恰当的是___________",{"answer":72,"createTime":5,"id":73,"options":74,"question":79,"source":24,"type":25},[],214486527,[75,76,77,78],"光敏树脂","尼龙粉末","陶瓷粉末","金属粉末","立体光固化成型设备使用的原材料为___________",{"answer":81,"createTime":5,"id":82,"options":83,"question":88,"source":24,"type":25},[],214486528,[84,85,86,87],"卤素灯泡","LED灯源","紫外光源","激光","下列哪项目前不属于DLP 3D打印工艺设备的光源___________",{"answer":90,"createTime":5,"id":91,"options":92,"question":94,"source":24,"type":25},[],214486529,[93,40,39,42],"SLM","以下哪种3D打印技术在金属增材制造中使用最多___________",{"answer":96,"createTime":5,"id":97,"options":98,"question":102,"source":24,"type":25},[],214486530,[99,87,100,101],"高温","高压","高速加工","熔融沉积技术存在哪个危险环节___________"]