[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fGzXUIDmuf14kW87LoCMSw9roW-f-LymIDvQvTo00G3E":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":12,"question":19,"related":20,"source":31,"type":32},[],"2023-05-16 01:07:20",11903766,[8,9,10,11],"A声级","B声级","C声级","D声级",{"count":13,"courseId":14,"courseImg":15,"courseName":16,"workId":17,"workName":18},51,"b7228192d456f630bedb20d9eceffdb3","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002Fb566746b99560d3441ebf573feb85aa4.jpg","卫生学-2022-2023第二学期","8ad7b822ef284d9fb723420869bcac84","噪声","根据40方 等响曲线在测声仪器中设计的计权网络所测出的声级属于",[21,33,43,53,63,73,83,93,103,106],{"answer":22,"createTime":5,"id":23,"options":24,"question":30,"source":31,"type":32},[],11903758,[25,26,27,28,29],"震耳欲聋的声音","干扰谈话的声音","除音乐以外的声音","使人不喜欢或不需要的声音","声级超过国家标准的声音","普遍认为噪声是指","v1",0,{"answer":34,"createTime":5,"id":35,"options":36,"question":42,"source":31,"type":32},[],11903759,[37,38,39,40,41],"10~10000Hz","20~10000Hz","10~20000Hz","20~20000Hz","50~20000Hz","声频范围为",{"answer":44,"createTime":5,"id":45,"options":46,"question":52,"source":31,"type":32},[],11903760,[47,48,49,50,51],"5uPa","10uPa","20uPa","40uPa","50uPa","1000Hz纯音听阈声压为",{"answer":54,"createTime":5,"id":55,"options":56,"question":62,"source":31,"type":32},[],11903761,[57,58,59,60,61],"声强级","声功率级","声压级","声频大小","声频带宽窄","卫生学评价中表示声音强度大小的单位最常用的为",{"answer":64,"createTime":5,"id":65,"options":66,"question":72,"source":31,"type":32},[],11903762,[67,68,69,70,71],"响度","听阈","痛阈","听域","痛域","痛阈和听阈之间的范围称为",{"answer":74,"createTime":5,"id":75,"options":76,"question":82,"source":31,"type":32},[],11903763,[77,78,79,80,81],"100Hz纯音的听阈声压","100Hz纯音的基准声压","1000Hz纯音的听阈声压","1000Hz纯音的基准声压","1000Hz纯音的痛阈声压","计算声压级的基准声压是",{"answer":84,"createTime":5,"id":85,"options":86,"question":92,"source":31,"type":32},[],11903764,[87,88,89,90,91],"2&times;105mPa","2&times;10-5mPa","1. 06mPa","10-5mPa","2&times;106mPa","测得某噪声的声压级为100dB,则该噪声的声压为",{"answer":94,"createTime":5,"id":95,"options":96,"question":102,"source":31,"type":32},[],11903765,[97,98,99,100,101],"100 方","52 方","40 方","1000 方","以上都不是","当频率为100Hz,声压级为52dB的纯音,听起来与频率为1000Hz,声压级为40dB的纯音一样响时,则该100Hz纯音的响度级为",{"answer":104,"createTime":5,"id":6,"options":105,"question":19,"source":31,"type":32},[],[8,9,10,11],{"answer":107,"createTime":5,"id":108,"options":109,"question":115,"source":31,"type":32},[],11903767,[110,111,112,113,114],"强度有关","频率有关","频谱有关","暴露时间有关","强度与频率有关","响度大小是与声音的"]