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ҴԺ•W(xu)OӋOӋxģһ

(li)ԴϾh(hun)Ƽ޹˾ r(sh)g2017-04-13 c(din)

     @һw貵N(zh)(zh)(l )@DZˇg(sh)ĵdĻdʹRˇg(sh)ײЇҴԺ
     ԺďdƽOӋ
     һԺ•W(xu)OӋĹҪ|(zh)OӋ•ƃɴ󲿷
һ҃|(zh)OӋ
_|(zh)OӋָ˼䃞(yu)xֵdõʹùx푕r(sh)gָpP(gun)ϵ|(zh)ur(ji)ָ_ָ˵ă(yu)xֵ|(zh)OӋҪ΄(w)@Щָ˼䃞(yu)xֵxM(jn)һM(jn)|(zh)Ӌ͌(li)|(zh)yԇṩĿ˺
҃|(zh)ur(ji)˜ʣ
1^(gun)ur(ji)ָˡm^ߵȺSM(mn)õĿg](mi)•ȱݺ•ɔ_
2^(gun)•푕r(sh)g•ĕr(sh)gֲ•Ŀgֲ
ԭtУ
1ֱ_•
2ֲǰη•
3_ؿƻ푕r(sh)gl
4ע•ȱݺ•Ӱ
_dwͼw鿴 (tng)(li)döЂ(g)L(chng)ȵdõČȕ(hu )漰ڂ•ĽMc|(zh)ĿgҪP(gun)“(lin)dõĸ߶ȲHӰQڷ•ĽMӰ•ܱȺͻ•ܵĴСdõweÿݷeֱӰ푻푕r(sh)g|(zh)dõw͸P(gun)ϵǷڻ•(dng)••۽•Ӱ^|(zh)ȱ@ЩڳOӋAξṩ•W(xu)Č(zhun)I(y)Ҋ(jin)
푕r(sh)g
ڏdã҃ȣ•W(xu)OӋ푕r(sh)gһ(g)Ҫĸcָ•҃˥p^(gu)̷Q(chng)֮^(gu)•҃ȌķB(ti)_(ki)ʼ˥pֱ˥p•ܞԭ•ܵİf(wn)֮һr(sh)@Εr(sh)gQ(chng)顰푕r(sh)gҲ˥p60dBĕr(sh)gӛRTT60
ڏdÃmȵĻ푕r(sh)gʹ(l )SM(mn)Z(y)ԺM(mn)^(gu)̵Ļ푕r(sh)gʹ•ɝo(w)^(gu)L(chng)ʹZ(y)Ƚ(l )ȱк~ģ߀
ڏd|(zh)OӋͬ|(zh)Ҫxһ(g)ѡĻ푕r(sh)g푕r(sh)gǛQ d|(zh)Ψһָ•ҲdzҪҲ҃|(zh)OӋҪָ֮һ
ҴԺĽԺ•W(xu)OӋ•W(xu)OӋ鷨CSTBоAW(xu)W(xu)Ժ•W(xu)φλf(xi)CSTBOӋՓӋ(sh)оȹ͹漰P(gun)•W(xu)·ֶҪŽׂ(g)棺
w•Č(sh)ҜyԇϵyʾD
׌ӇͿwSطֹ•
ҴԺ4f(wn)m2wdz޴ppYd⁽ٞbpwڵһ(g)(wn)}ǣr(sh)҃ȕ(hu )ܵc(din)ײa(chn)•ɔ_AW(xu)팍(sh)M(jn)ԓwYĿ՚•••^(sh)оM(jn)д(sh)򞔵ĻA(chung )Եw׌ӲwS؇Ϳֹ•ķKõˑÌ(sh)ʩwͿһ25mmK-13wS؇Ϳ•
(sh)@ʾδͿwSǰw՚••ֻ_Rw=37dBͿwĿ՚••ܿߵRw=47dBꏊ1mm/minĴ•_Lpn,w=40dBd҃•С25dB(A)
wS؇Ϳ܉w•ܵҪԭǣһwSؾͿ(zh)w׵2mm䓰һ•䓰屾(dng)ģʽ^еlĸ•
wS؞܌(sh)wճͿܷ
wS؇ͿϾõ•zy25mmwS؇ͿӽϵNRC_0.75ҴԺw(jng)wS؇ͿdȻ@Z(y)@,wS؇Ϳ߀õıظЧ@wSͿ•ڇ20ʹÚvʷڇҴԺԺ•W(xu)OӋ״δҎģõ•W(xu)h(hun)ճ(zh)ʩ،VرwĻȴͽ(chng)
(l )d_MLS•Uɢ
脡ԺپW(wng)ݡ
脡ԺȲҲ@ӵĽپW(wng)(zh)ȥsX(ju)нx͵ı•^(gu)پW(wng)ٷ؁(li)γɡȻ• @ӾγҕX(ju)Ļκ (tng)X(ju)gĶ߅˽•W(xu)̈́(chng)W(xu)Y ʹڛ](mi)L(fng)ėl_ϵ•_¸(g)^(gun) (tng)
ٽپW(wng)b
脡Ժ^(gun)dȉb޲ɾW(wng)پW(wng)bM2.5mmP䓽zq(xin)((xin))g6mmv2.5mmXϽ((jng)(xin))g8mmOӋҪ]c(din)•W(xu)bЧ
ӳµĽپW(wng)
^(gun)dƽΠc•W(xu)P(gun)ϵ^L(chng)(ȉɽǶ)ڷ•|(zh)õҕX(ju)ЧŰ治AΌ|(zh)•۽ȱݵҕX(ju)W(xu)ψAΉӃ(yu)
OӋǻڽ(jng)R΄Ժֱ˂yʽİҕ(xin)|(zh)c(din)һýپW(wng)ΠSă(yu)ݳʻ(xin)һýپW(wng)ͨ͸ˌ^(gun)dOӋpӉ(sh)wcپW(wng)b@•W(xu)(zhun)ҿԴđ؞_N•W(xu)ָڌ(sh)wʩչAؓӰ^(gun)d^(gun)پW(wng)Č(sh)wнǶ•б^(gun)dȿӲ۽•ֿ͸^(gu)پW(wng)_•
ͬr(sh)OӋвýپW(wng)ͨ͸Q•W(xu)(wn)}߀_Ĉ(chng)ЧݳǰP(gun)]پW(wng)B̎ĎΟļtַ䵽پW(wng)(jng)^(gu)پW(wng)^(gu)Vʽ͵M(jn)^(gun)dܼtɫĉӳ(zh)VĽɫı[һF(jin)s(yu)ͶHҕX(ju)L(fng)(xin)
ڸ脡ԺپW(wng)Ļð͹ΔUɢwMLS鷴䉦˲λ˝M(mn)•W(xu)Ҫ˾OӋ̶پW(wng)ߴ缰ҎɞMLSĆԪOӋһ
脡ԺپW(wng)
̎پW(wng)cYBӷǣc픹̶DӼDӼcپW(wng)BӎB
^(gun)dǻ•Ҫl(f)ԴںČl•c^(gun)dbL(fng)f(xi){wϼtɫz鲣z•
ڵ
脡Ժĵ픞ͺϰN(sh)ľb׌(l )꠺݆T֮gõ໥_ں͘(l )ϷĵƽCČʹݵ•ͨ^(gu)淴䵽(l )؃ʹ•Чľ픺_35mm
ʹǰ^(gun)@^õȻ•^(gun)dǰƽҲƽڌ•䵽ǰ^в픽YIJÌľbL•ķ͔Uɢ
(l )d•W(xu)Y
컨壺(l )d컨ΠҎtİɫһƬɳƺ˛_ˢĺ•ĔUɢ
컨OӋ
_•Ч߀ҒһAW(xu)W(xu)HòwSΠļʽ•nj•˷ɢ
(l )dOӋ
(l )d픣(l )d^(gun)dƽΠлȵЬṩSM(mn)|(zh)
^(gun)ϯ@_(l )꠺Ͱ鳪݆Tg^(gun)?ch)ڿgγɌ_ĵć@ӵIJ޶ȱC^(gun) (tng)Ȼ•
^(gun)d߅ԱęEAȭh(hun)@ӱϿgṩڵĻ푕r(sh)g

^(gun)dĸ߶ȺΠ_we푕r(sh)gȻɵõM(mn)
MLS•W(xu)
(l )_?ch)ĉ•W(xu)ՔW(xu)Փ_Ӌ(li)ĉ氼͹Πs(xi)g(sh)Z(y)Q(chng)顰MLSԭ顰Mathematics Length Sequenceˉ߶ȔUɢʹ(l )õ໥ (tng)„׌•͵طUɢCÿ(g)λõ^(gun) (tng)ͬӃ(yu)|(zh)•
͹wĘpľ(12mm> 2)͹Π͹λ߅܌(sh)IJz
GRC
GRCɿAwSʯӢɰ͸ߏˮఴһʹģ()һwc(din)cGRG(li)ƣ|(zh)ph(hun)•ЧʹÉL(chng)bc(din)ĈDʽcwͬǰGRG(li)
(l )dĉcڲ|(zh)_wyһͬr(sh)^Ӳ|(zh)IJڵlS^L(chng)ĻGRCĉ挦(l )d•ȼ˹ּ^(gun)
GRC
(l )d޴GRCwOӋһΠijDһƬɳһƬ_(ki)Ļĵɽ}(l )Ĺ>>c͸γɏҵČ(hu )еoһɾ޴ݴl(f)ʵݳ_(ki)Ļ
픳ˇg(sh)Շ߀һ(g)]•W(xu)ЧOӋ
(l )d(li)f(shu)һҪ•һнbOӋҪ•W(xu)Ч(w)͹ƽ•ĔUɢҎtDεĸһ(g)•Uɢ_l(f)•Uɢ^(gun)ϯϵÿ(g)
(l )des1300m2164KGRCMИ˜ʾΰ118Kΰ46KһÿKe7m2˜ʉKߴ磺3.2m>2.26m>0.024m3.4m>2.26m>0.024mɷNȿ24mmȵҪҪҪ•W(xu)Ҫ徫Ҫ󌦽`2mmÿK^ƽ250mm_480mmؼs110Kg/m2^(gu)100OӋṩþ۱1:10СɏS(chng)̸Сӽ(jng)^(gu)1:1(sh)
w죺GRC܎߅ÿKA20(g)AϲӲP䓵c䓼BӲ䓼6(g)bc(din)˵c(din)c픴BӴcBc䓽픰AB
GRCɰΠĿOڵʹеİȫһl(f)?ch)ˮпܕ?hu )ʹȷeˮɵ픰d^(gu)ɹ̶Ó^(gun)dµĞyÿKAйˮڌȵķeˮ
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