[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fp0cmVd2xNiP4gTaCEx2RRfteLIssk1x0COdjIjYQfp0":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":30,"type":31},[],"2026-05-30 22:48:11",393619274,[8,9,10,11],"\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F571f41f5d6e4d6dbff59dc1874008979.png\">这两个电源输出通道,可以独立输出电压,也能并联或者串联输出电压","用输出键\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F0c7c4a663f5b6754f59e5733b67dd0c7.png\">打开或者关闭输出","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F90eb5fa837801386c790d3bb747969e4.png\">该按钮灯亮时,CH1通道电压可调","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F6b158c4fcc7efb8cd651d7516d7907c1.png\">该通道输出的电压为固定值",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},3,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","work_52132908","实训项目三:公安机关服务群众实训","关于GPD-3303D 直流稳压电源,下列说法正确的是",[21,32,41],{"answer":22,"createTime":5,"id":23,"options":24,"question":29,"source":30,"type":31},[],393619272,[25,26,27,28],"此端口可以测量电压、电流、电容等","用此端口测量电阻时,电阻的另一端必须接COM 端口","用此端口测量电压时,电压的负极性端必须接COM 端口","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F39a1b125d4f80803a2daa8da16b67666.png\">若要测量低电流,电流必须从此端口输入","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F01ebcfa810c71da34399d130d132711a.png\">关于此端口,下列说法正确的是","v1",1,{"answer":33,"createTime":5,"id":34,"options":35,"question":40,"source":30,"type":31},[],393619273,[36,37,38,39],"此按键有测量直流电压和测量直流电流两个功能","按下此按键可以测量 DC 电压","若要测量DC 电流,需要首先按下 SHIFT 键之后,紧接着按下此按键","若要测量交流电流或者电压,此按键不需要按下","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Ff7045edf148518a5d92391e0d0497da9.png\">关于图示按键,下列说法中正确的是",{"answer":42,"createTime":5,"id":6,"options":43,"question":19,"source":30,"type":31},[],[8,9,10,11]]