一分贝的声音到底有多大?正常人能感觉得到的声音有多少分贝?正常人能觉得多少分贝的声音算大或者清楚?多少分贝的声音算噪音污染?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 07:34:14
![一分贝的声音到底有多大?正常人能感觉得到的声音有多少分贝?正常人能觉得多少分贝的声音算大或者清楚?多少分贝的声音算噪音污染?](/uploads/image/z/4796827-43-7.jpg?t=%E4%B8%80%E5%88%86%E8%B4%9D%E7%9A%84%E5%A3%B0%E9%9F%B3%E5%88%B0%E5%BA%95%E6%9C%89%E5%A4%9A%E5%A4%A7%3F%E6%AD%A3%E5%B8%B8%E4%BA%BA%E8%83%BD%E6%84%9F%E8%A7%89%E5%BE%97%E5%88%B0%E7%9A%84%E5%A3%B0%E9%9F%B3%E6%9C%89%E5%A4%9A%E5%B0%91%E5%88%86%E8%B4%9D%3F%E6%AD%A3%E5%B8%B8%E4%BA%BA%E8%83%BD%E8%A7%89%E5%BE%97%E5%A4%9A%E5%B0%91%E5%88%86%E8%B4%9D%E7%9A%84%E5%A3%B0%E9%9F%B3%E7%AE%97%E5%A4%A7%E6%88%96%E8%80%85%E6%B8%85%E6%A5%9A%3F%E5%A4%9A%E5%B0%91%E5%88%86%E8%B4%9D%E7%9A%84%E5%A3%B0%E9%9F%B3%E7%AE%97%E5%99%AA%E9%9F%B3%E6%B1%A1%E6%9F%93%3F)
xVmoV+&EIQ+lھW&L6 $MbL1Ksktm9y}ֳUȤŸkpid,pNX :5߱KmqDr
-BSHZq|^qY,S[{v(ϰ͚v?(;0-L7aks}>͋wF rF
3~TM9\1dl%|#g6̎ {4n=3d@:%|̷8r
ҋM=AKmz(|Qa=D[+~`&ԯun"هp&- /5xxn͛-pB&ӴHjo p*~*`V Y/VaFbg2FxZܛva"SJ./6B~j{LX$cO8<*`