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特大型斜拉桥的三维有限元静力分析
业出版社,ugg boots günstig,2003.[2]邢静忠,王永岗,陈晓霞,等.ANSYS7.0分析实例与工程应用[M].北京:机械工业出版社,2004.[3]朱伯芳.有限元法的原理及应用[M].北京:水利电力出版社,1979.[4]商跃进.有限元原理及ANSYS应用指南[M].北京:清华大学出版社,2005.[5]张喜刚,袁洪,吴国民.苏通大桥总体设计[J].中国公路:建设市场专刊,2004(8):28―33.[6]西安公路学院,同济大学.桥梁设计[M].北京:人民交通出版社,1961.[7]汤康民..基础工程[M].成都:西南交通大学出版社,1990.[8]杜国华,等.桥梁结构分析[M].上海:同济大学出版社,mbt shoes,1994.[9]姚玲森.桥梁工程[M].北京:人民交通出版社,1985.[10]夏桂云.大跨度桥梁结构计算理论[M].北京:人民交通出版社,2002.·79·(上接第35页)SimulationofConstantVoltageSwitchingPowerSupply、vithFeedbackLoopFANGBo,WANGXiao.feng,FANDeng.he(1.XuchangUniversity,Xuchang461000,China;2-Xi’anUniversityofTechnology,Xi’an710048,China;3-PingdingshanSchoolofTechnology,Pingdingshan467000,China)andsimu1atesthesoftstart,OC-protecfi0n,cl08ed.1oe,PpefformanceandMOSFETZVSforfhewh01eswitc.hingp,mbt shoes cheap。wersupplysystem,nike air max,andthesimu1ati。nresultsarepresented.Thesimu1ati。nmeth。disn。t。n1y0fs0meguidingsignificancefortheengineeringdesign。fPSbutisausefulsupplementfortheexperimenta1study.Keywords:HFswitchingpowersupply;phaseshiftedfullbridge;closed10叩;Ix3pice;simulati0n迤堂耋蛙耋蛙誊蝼耋蝗套监耋螳塞啦塞喈雌毫辩章鼍☆{(上接第72页)啦莲冀啦啦啦冀AnElementaryAnalysisofAdvancedMilitaryPoductPriceUnderBi·monopolizedDevelopment―purchaseModeSHAOChun-sheng(NanjingResearchInstitute。fElectroniesTechno1。gY,Nanjing210013,China)Abstract:Chinesearmyempl。Ysmainlybi-nonop,north face outlet。lizati。nmodet。purchasecurrentkeyequipment,viz.pecilmilitaryproduct·Thebuyer0fspecialmilitarypr0ductisChinese锄yandthese11ersares0me1eadingstate-owedIargeormediumenterprisesandinstitutions.Thefactisthatnot0n1ythebuyerbuta1s0these11er―ntCU
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