[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fohFB4ZgV_qvtIgqmAFrs4uDKwLhpVBr_22wv_Eqm7HE":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":10,"question":14,"related":15,"source":25,"type":26},[],"2023-05-10 20:31:31",4663441,[8,9],"√","×",{"courseId":11,"courseImg":12,"courseName":13},"61db818d8df783260afb117514592214","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F9c1e48361b00f3ee2086f4e259ed792b.jpg","电工三级1班（22-2学期）","()根据指令图分析和判断故障是诊断所控制设备故障的基本方法.(判断题)",[16,27,36,41,50,53,62,71,76,81],{"answer":17,"createTime":5,"id":18,"options":19,"question":24,"source":25,"type":26},[],4663437,[20,21,22,23],"异步式和加法计数器","异步式和减法计数器","异步式和可避计数器","异步式和同步式","计数器就是对数字电路中的脉冲进行计数的部件.它是由触发器构成的.如果按计数器翻转的次序来分类,可把计数器分为().(单选题)","v1",0,{"answer":28,"createTime":5,"id":29,"options":30,"question":35,"source":25,"type":26},[],4663438,[31,32,33,34],"ANI或AND","OR或ORI","LD或LDI","ANB或ORB","线路检查键操作中代码2-1表示在一个逻辑行里()可使用次数超过8次.(单选题)",{"answer":37,"createTime":5,"id":38,"options":39,"question":40,"source":25,"type":26},[],4663439,[8,9],"()JWK型经济型数控机床系统电源切断后,必须等待30s以上方可再次接通电源.允许连续开、关电源.(判断题)",{"answer":42,"createTime":5,"id":43,"options":44,"question":49,"source":25,"type":26},[],4663440,[45,46,47,48],"不变","置1","置0","不定","JK触发电路中,当J=K=Qn=0时,触发器的状态().(单选题)",{"answer":51,"createTime":5,"id":6,"options":52,"question":14,"source":25,"type":26},[],[8,9],{"answer":54,"createTime":5,"id":55,"options":56,"question":61,"source":25,"type":26},[],4663442,[57,58,59,60],"正接","反接","串联","并联","若被测电流不超过测量机构的允许值,可将表头直接与负载().(单选题)",{"answer":63,"createTime":5,"id":64,"options":65,"question":70,"source":25,"type":26},[],4663443,[66,67,68,69],"电力噪声","水噪声","电气噪声","机械噪声","噪声可分为气体动力噪声,()和电磁噪声.(单选题)",{"answer":72,"createTime":5,"id":73,"options":74,"question":75,"source":25,"type":26},[],4663444,[8,9],"()数控系统的辅助功能就是T功能.(判断题)",{"answer":77,"createTime":5,"id":78,"options":79,"question":80,"source":25,"type":26},[],4663445,[8,9],"()在中等容量整流装置或不可逆的电力拖动系统中,由于桥式半控整流电路更简单和经济,故在实际中广泛采用.(判断题)",{"answer":82,"createTime":5,"id":83,"options":84,"question":89,"source":25,"type":26},[],4663446,[85,86,87,88],"工业","军事","商业","农业","可编程序控制器是一种专门在()环境下应用而设计的数字运算操作的电子装置.(单选题)"]