为什么常用声音在15度空气中传播的速度
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/27 02:32:17
![为什么常用声音在15度空气中传播的速度](/uploads/image/z/512392-40-2.jpg?t=%E4%B8%BA%E4%BB%80%E4%B9%88%E5%B8%B8%E7%94%A8%E5%A3%B0%E9%9F%B3%E5%9C%A815%E5%BA%A6%E7%A9%BA%E6%B0%94%E4%B8%AD%E4%BC%A0%E6%92%AD%E7%9A%84%E9%80%9F%E5%BA%A6)
xWYrFJ>*T~T!| )WrȖo(E)R"!Snwq3hh}%.E_s\ofy9.ZJp]+o~tu'ZXWՇ[Ͽ16mOTM=2[a^lętEA;{f)5SJ~}kF`UgE1jt3tFU=t/ gPR,qTP]Rp[f#§jq?RDW%A9UL=ׅ#ÿon#UvStlPb_j!.SیKiWl$i5^oto?oe`VNmȾVZSh(P2}=Ti˛I|f"!GkSYy,Wi`znIUoA E5h
2&9#BB0NeWaq(:[0B{dP\
mK
,&+L[x/aM).55c[y/16XC?sM9;*"dü%YxBGȇ[-uKt!_h.G4v~ ?JڹP 'A݊LztLIwT:BrQJ0Y<*PNڱ8`*U
}溲ۚL@70O?k?œ9(HC@oψlׄ5b0%{HB qAV>N[rtP89]=`8h5F {:ݠ|)+4$T6|[@gS6/g4>n3hl=dAGWNszٯV9>.x=g.7A@/XbT>b((}.~HrD۽ a-nJ#n~5&8)h}c'tC.'1 5dq-1滰)#6TH19Tx@'1
_J{g]лEGTkbܑ,(':*mvǵx>0(L[8u'~gH