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(hu )h•W(xu)OӋ

(li)ԴϾh(hun)Ƽ޹˾ r(sh)g2013-7-26  c(din)

   Z(y)•ҪȺͿɶȷҪҲҪһ푶õɫmƽʹ (tng)(li)Mͬr(sh)ҪlVľʧ(l )•ȣȣ푶ȵҪ߀SM(mn)gкƽеȷҪ•Դֱ_•ȡͿڷ•ʹкĕr(sh)gͿgֲmĔUɢ̎ʹ•(chng)_һĔUɢ̶ֹF•W(xu)ȱ•••۽пܳFĵlȾɫF|(zh)ȱҪָ•ɔ_•ɔ_(dng)•ɔ_

•W(xu)g(sh)Ҫһݷeĕ(hu )hһ푕r(sh)gҪһ(li)f(shu)푵ĕr(sh)g^(gu)t•l(f)r(sh)g^(gu)L(chng)•ֻͬĕ(hu )hҶѵĻ푕r(sh)g푕r(sh)gmτtl(f)˵•w•ӕ(hu )hЧw푕r(sh)gӋ㹫ʽ£T=KV/{S[-2.3lg(1-a)]+4MV}УK鷿gΠą׃һȡ0.161V鷿gݷeףS鷿g•ᅡeƽףa҃ƽ•ϵ
M՚˥pϵT푕r(sh)gs,

(hu )hҵĸ߶ȴs4Mr£

(hu )heС200ƽוr(sh)T=0.3-0.5

(hu )he200-500ƽוr(sh)T=0.5-0.8

(hu )he500ƽוr(sh)T=0.8-1.0

๦܏d(jng)^(gu)IJNOOͲȡļg(sh)ʩ܉_NܵʹĿҲ˽(jng)ЧVܚgӭ๦܏dҪ܉ݑ(l )Ҫɹek(hu )hӳӰ@Щ(dng)푕r(sh)g|(zh)ָҪЕr(sh)eС@ö๦܏d|(zh)OӋ_(sh)(li)˺ܶy˱MM(mn)㲻ͬʹùܵ•W(xu)ҪͨɲȡŽ׷Nk

1ᘌdõҪ;(jng)ek^(gun)ݻ(dng)_푕r(sh)g|(zh)ָ˅ͬr(sh)^(gun)ݻ(dng)|(zh)Ҫmȡֵݳ푘(l )Ķ๦܏d푕r(sh)gɶ1.8sݳ輰CˇĿĶ๦܏d푕r(sh)gɶ1.5sek(hu )hͷӳӰĶ๦܏d푕r(sh)gȥ1.2s;_Ķ๦܏d푕r(sh)gȡֵ磺1.5sԼ(l )Z(y)ݳҪ

2(chung )׃푕r(sh)g•W(xu)h(hun)ͨȡĴʩOÿ{•YOӋ`ĸ׃dݷeλĽYOøٻԼԮ•ϵy(li)˹{푕r(sh)gͨ^(gu)@Щʩ(li)׃dõĻ푕r(sh)g|(zh)Ա`mN^(gun)ݻ(dng)IJͬ|(zh)Ҫȡ{푕r(sh)l푕r(sh)gĿɸ׃С0.3stЧ@

3ڏdwe^(gun)^eһ_L(chng)푕r(sh)gָšyڏdOӋr(sh)ȿ]M(mn)(l )ݳҪ푕r(sh)gȡ^L(chng)ֵͬr(sh)•ָԏēP•ϵyek(hu )hĵZ(y)ԞĻ(dng)r(sh)•ϵy(li)ȡ^L(chng)푕r(sh)gĭh(hun)Z(y)ȵЧ


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