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ϸ\(yn)°l(f)^(q)̵|(zh)x
F·돽,(du)Ҫ(yn),(du)F·̵ʩ\(yn)I(yng)Ӱ푘O.ڻ°l(f)^(q)M(jn)й̵|(zh)xԿٷ(wn)ɽ^(q)F·λ,ȴ_ƽ,ִ_¶εF·ȫ(jng)(j)@ȞҪ.Y(ji)ϺϷF·\(yn)ݶοоAεĹ,bx̤y(c)Lx̽x؞(zi)u(png)Ă(g)EM(jn)˻°l(f)^(q)F·̵|(zh)x.ͨ^ԓIJ,r(sh)(wn)˾·,M(jn)һ_չṩҪ._л¶]F·,һζζ]Ӱ푶Ƭ,(du)̎[Ļ@,(du)Ҏ(gu)ģmȡm̎Ļxmλͨ^,(du)F·xǴ.
ߣ ܸ r(sh) h(yun) Zhou Ge Shi Yongjian Chen Yuanhong ߆λ FĿO(sh)Ӌ(j)ԺF(tun)˾,h,430063 F ӢĿ RAILWAY INVESTIGATION AND SURVEYING ꣬() 2009 35(5) ̖(ho) P642.22 P(gun)I~ ϸ\(yn) |(zh)x bx y(c)Lx ̤xϸ\(yn)°l(f)^(q)̵|(zh)xP(gun)£
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