[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fPC-NJxzT5N3ciXszLltEJ9rSrc20zE9gN2ulGpbtjfQ":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":8,"question":15,"related":16,"source":27,"type":50},[],"2024-01-01 22:43:58",125313404,[],{"count":9,"courseId":10,"courseImg":11,"courseName":12,"workId":13,"workName":14},7,"93a5eda7a98577777ceec8489b590e7c","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F3d3abe610d582d562e2b7c7b7576391a.jpg","大学物理","work_31280692","2022级工科88学时振动波动部分作业(抄写题目完成后,拍照并上传学习通平台!限时!)(副本)","\u003Cimg src=\"https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F8c8e95743b4d74439068ba53d85d60cc.gif\">2022级工科振动波动作业.pdf",[17,29,38,47,51,60,66],{"answer":18,"createTime":19,"id":20,"options":21,"question":26,"source":27,"type":28},[],"2023-11-27 16:37:09",109067058,[22,23,24,25],"只要确定特定目标,不必瞄准,导弹发射后就自动探测、识别、跟踪,直至命中目标","发射后用激光或无线电波束为导弹指引目标,直致命中","在发射时射手必须跟踪瞄准目标,进行不间断的控制直至命中目标","能自动瞄准目标,发射后自动寻的命中目标","第三代精确制导武器的特点是()","v1",0,{"answer":30,"createTime":19,"id":31,"options":32,"question":37,"source":27,"type":28},[],109067059,[33,34,35,36],"导弹拦截战","网络黑客攻击","卫星攻击战","天对地攻击战","以下哪种不是太空战的作战样式",{"answer":39,"createTime":19,"id":40,"options":41,"question":46,"source":27,"type":28},[],109067062,[42,43,44,45],"信息","信息化武器装备","常规武器装备","信息化设备","信息化战争的物质基础是()",{"answer":48,"createTime":5,"id":6,"options":49,"question":15,"source":27,"type":50},[],[],4,{"answer":52,"createTime":5,"id":53,"options":54,"question":59,"source":27,"type":28},[],125313406,[55,56,57,58],"多普勒效应是波源和观测者发生相对运动时观测频率和波源频率不同的现象","波源静止,观察着运动时,接收频率增加","波源运动,观察者静止时,接收频率减少","波源和观察者均运动时,接收频率增加","关于多普勒效应,下列说法正确的是( )",{"answer":61,"createTime":5,"id":62,"options":63,"question":64,"source":27,"type":65},[],125313407,[],"驻波是由两列振幅相同的相干波 叠加形成的",2,{"answer":67,"createTime":5,"id":68,"options":69,"question":70,"source":27,"type":65},[],125313410,[],"波速是单位时间内 在媒质中所传过的距离,机械波的传播速度主要受 影响,如媒质的弹性模量和密度"]