1a(chn)h(hun)܇gy
yr܇gh(hun)I(y)B(ti)yλÞˆTI(y)λI(y)ˆTĶ丽I(y)ˆTλò̶rtI(y)^н(jng)ӵķ(ni)xɜyc(wn)B(ti)ȡycĜyƽֵڷǷ(wn)B(ti)ȡycЧĜyƽֵ(sh)(j)ӛʽҊ±
2F(xin)COy
һrycλú͔(sh)ɸ(j)Cγߴ_
С͙CߴС0.3mycxC0.3m܇4yc
͙Cߴ0.3m—1.0m֮gycxC0.5m܇4yc
͙Cߴ1.0mycxC1.0m܇4yc
ش͙CΣUoOɸ(j)F(xin)rxȡλ^hĜyc
یLCsCȿ՚ԙCҪyMŚMycȡMScܿƽx1̎Ҳxھxܿƽ0.5m1.0m̎ŚĜycȡŚSϣڹܿƽϾܿ0.5m1.0m2.0m̎MŚyACͱlҪr߀y1/3lխ
3Sy
ٜylyxڟoꡢoѩMӷLL5.5mrֹͣyyڱyI(y)λrg(ni)Mr΄ֿɸ(j)?sh)rĮ?sh)?gu)Ҏ(gu)
ڜyxʹþҪϵӋO(jin)yxӋx“”ɘӕrgg5sʹO(jin)yxrx“”ɘӕrgg1s.
ۜySyrԷS1m̎߅羀(j)߅羀rÿ20—50mxMвcy߶Ȟ1.2m̎yc˳^5dBAӋࣩ
ܔ(sh)(j)̎͜yӛ䛣ÿһcyӋrg(ni)ĵЧ빤I(y)I(y)Syӛ䛱
1W(wng)עԴO̽W(wng)ƷٽO̽W(wng)Уδ(jng)W(wng)ڙD(zhun)d朽D(zhun)Nʽʹãѽ(jng)W(wng)ڙڙ(ni)ʹұעԴO̽W(wng)`W(wng)䷨؟Ρ
2W(wng)YϞW(wng)ѼD(zhun)dMߺͳ̎ڱW(wng)dƷ漰Ȇ}ՈcW(wng)վ(lin)ϵW(wng)վˌ_JM̎
W(wng)D(zhun)d֮ƷζJͬԓƷ^c挍ýwW(wng)վD(zhun)dʹՈc(lin)ϵؓ؟Ρ
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