[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fiSCKhSCpQqEQT-dP4tUrNw6h759e8luN_S6AM81Qx1Q":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":18,"related":19,"source":27,"type":56},[],"2023-05-08 10:01:09",921228481,[8,9,10,11],"顺时针方向","逆时针方向","原地不动","旋转到头",{"courseId":13,"courseImg":14,"courseName":15,"workId":16,"workName":17},"1000001379","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fe9235b9edbe3f9d4f79a99efb2c36a92.png","无线电测向","43025344","无线电测向教程考试","80米波段测向中,当收测完6号电台信号后,接下来要收测5号台时,应将调谐旋钮沿( )旋转",[20,29,34,39,44,49,57,66,69,78],{"answer":21,"createTime":5,"id":22,"options":23,"question":26,"source":27,"type":28},[],921228466,[24,25],"对","错","运动员在起点区刷清除站,然后领取测向机,此时测向机就禁止使用.( )","v2",3,{"answer":30,"createTime":5,"id":31,"options":32,"question":33,"source":27,"type":28},[],921228467,[24,25],"受试者赤足坐在测试以上,两腿伸直,足并拢,足尖分开约10-15厘米,足底紧贴在支座立板上,然后两手并拢,手臂伸直,指尖轻触测试游标,是上体前屈,手指平推测试游标向前缓慢滑动,切忌突然加速,待游标不能在继续前移时,显示测试结果.( )",{"answer":35,"createTime":5,"id":36,"options":37,"question":38,"source":27,"type":28},[],921228468,[24,25],"50米跑是典型的无氧运动,运动持续时间较短,所以一般起跑前进行深呼吸,途中可适当用鼻子进行浅而短促的呼吸.( )",{"answer":40,"createTime":5,"id":41,"options":42,"question":43,"source":27,"type":28},[],921228469,[24,25],"受试者至少两人一组进行测试,以蹲踞式起跑.当听到"跑"的口令后起跑.计时员看到旗动开表计时,当受测者的躯干到达终点线垂直面时停表.记录以秒为单位.( )",{"answer":45,"createTime":5,"id":46,"options":47,"question":48,"source":27,"type":28},[],921228473,[24,25],"《国家学生体质健康测试标准》要求测试者在引体向上项目中的握杆姿势正握反握都可以.( )",{"answer":50,"createTime":5,"id":51,"options":52,"question":55,"source":27,"type":56},[],921228478,[53,54],"连续发信号","间歇发信号","短距离80米波段信号源的工作方式是( )",0,{"answer":58,"createTime":5,"id":59,"options":60,"question":65,"source":27,"type":56},[],921228479,[61,62,63,64],"30","30万","3000","30000","无线电波在空气中传播速度是( )千米\u002F秒",{"answer":67,"createTime":5,"id":6,"options":68,"question":18,"source":27,"type":56},[],[8,9,10,11],{"answer":70,"createTime":5,"id":71,"options":72,"question":77,"source":27,"type":56},[],921228483,[73,74,75,76],"单向","双向","三向","单双向","当按下单向开关测向时,此时耳机内出现需要测收的电台信号且声音最大时,机大音面所指方向即为电台方向.这一过程称为测( )",{"answer":79,"createTime":5,"id":80,"options":81,"question":86,"source":27,"type":87},[],921228488,[82,83,84,85],"终点到主站这段距离不算在比赛使用时间,运动员可以慢速到达主站","运动员在预备区刷清除站,目的是清除卡内原有信息.然后领取测向机.注意按照无线电测向规则规定,此时测向机禁止使用","每名运动员听到发令信号后,将"指卡"在标有"起点"的"打卡器"上打卡,刷卡成功后,比赛起点时间被储存,比赛计时开始.起点出发,此时运动员才允许使用测向机","找完所有任务电台回到终点时,在标有"终点"的"打卡器"上打卡,到达终点时间被储存. 整个比赛用时结束","下列关于无线电测向智能管理系统描述中正确的是:( )",1]