完整版外文翻译.docx

完整版外文翻译.docx

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完整版外文翻译

外文文件原稿和译文

原稿

logisticsdistributioncenterlocationfactors:

（1）thegoodsdistributionandquantity.Thisisthedistributioncenteranddistributionoftheobject,suchasgoodssourceandthefutureofdistribution,historyandcurrentandfutureforecastanddevelopment,etc.Distributioncentershouldasfaraspossibleandproducerformintheareaanddistributionshortoptimization.Thequantityofgoodsisalongwiththegrowthofthesizedistributionandconstantgrowth.Goodshighergrowthrate,themoredemanddistributioncenterlocationisreasonableandreducingconveyingprocessunnecessarywaste.

（2）transportationconditions.Thelocationoflogisticsdistributioncentershouldbeclosetothetransportationhub,andtoformthelogisticsdistributioncenterintheprocessofapropernodes.Intheconditional,distributioncentershouldbeasclosetotherailwaystation,portandhighway.

（3）landconditions.Logisticsdistributioncentercoversanareaoflandinincreasinglyexpensiveproblemtodayismoreandmoreimportant.Istheuseoftheexistinglandorlandagain?

Landprice?

Whethertoconformtotherequirementsoftheplanforthegovernment,andsoon,intheconstructiondistributioncenterhaveconsidered.

（4）commoditiesflow.Enterpriseproductionofconsumergoodsasthepopulationshiftandchange,shouldaccordingtoenterprise'sbetterdistributionsystempositioning.Meanwhile,industrialproductsmarketwilltransferchange,inordertodeterminetherawmaterialsandsemi-finishedproductsofcommoditiessuchaschangeofflowinthelocationoflogisticsdistributioncentershouldbeconsideredwhentheflowofthespecificconditionsoftherelevantgoods.

（5）otherfactors.Suchaslabor,transportationandserviceconveniencedegree,investmentrestrictions,etc.

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Howtoreducelogisticscost，enhancetheadaptivecapacityandstraincapacity

ofdistributioncenterisakeyresearchquestionofagriculturalproductlogisticsdistributioncenter．Atpresent，mostoftheresearchonlogisticscostconcentratesoff

theoreticalanalysisofdirectfactorsoflogisticscost,andsolvestheproblemof

over-highlogisticsCostmainlybydirectchannelsolution．Thisresearchstressesontheviewofhowtoloeatedistributioncenter,analyzestheinfluenceoflocating

distributioncenteronlogisticscost．andfindsonekindofsimpleandeasylocationmethodbycarryingonthelocationanalysisofdistributioncenterthroughcomputermodelingandtheapplicationofExeel．Sothelocationofagriculturalproductlogisticsdistributioncentercanbeachievedscientificallyandreasonably,whichwillattainthegoalofreducinglogisticscost,andhaveadecision．makingsupportfunctiontothelogistiesfacilitiesandplanningofagriculturalproduct．

Theagriculturalproductlogisticsdistributioncenterdealswithdozensandevenhundredsofclientseveryday,andtransactionsaremadeinhigh-frequency.Ifthedistributioncenterisfarawayfromotherdistributionpoints，themovingandtransportingofmaterialsandthecollectingofoperationaldataisinconvenientand

costly.costly．Themodernizationofagriculturalproductlogisticssdistributioncenterisacomplexengineeringsystem，notonlyinvolveslogisticstechnology,informationtechnology,butalsologisticsmanagementideasanditsmethods，inparticularthespecifyingofstrategiclocationandbusinessmodelisessentialfortheconstructingofdistributioncenter.Howtoreducelogisticscost，enhancetheadaptivecapacityandstraincapacityofdistributioncenterisakeyresearchquestionofagriculturalproductlogisticsdistributioncenter.Theso—calledlogisticscostsreferstotheexpendituresummationofmanpower,materialandfinancialresourcesinthemovingprocessofthegoods．suchasloadingandunloading，conveying，transport，storage，circulating，processing,informationprocessingandothersegments.Inaword。

thelogisticscostisthecostofcompletingalllogistiesactivities．Andtheresponsibilityofreducing109istiescostnotonlyreliesonthelogisticssection，butalsoontheestablishmentof”businessstrategy”toagreat．Inextentchainoperation．tolowertotallogisticscost

ofdistributioncenterisastrongsupportofchainsupermarket’s”profit”.The

costinchainoperationoccupiesalargeproportionofthecostoftheentire

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circulation．Thechainsupermarketcompany’slogisticscostindevelopedcountries

suchasTheUnitedStates．JapanandEuropeusuallyaccountsfor4-6％ofthe

sales．Thelogisticscostofcoldstoragedistribution（includingfrozen，chilled）is2．5timesthelogisticscostofnormaltemperaturedistribution．Ifthespecialattentionisnotpaidtotheaccountingoflogisticscostofdistributioncenter,itwouldliketobringtheseriousconsequencetotheenterprise．

Thebestlocationofagriculturalproductlogisticsdistributioncentershouldbelocatednearby“RiverGarden”throughabovecomputermodelinganalysis;itistheminimumtransportcostfromeachof5pointstothelocation.Therearemanyuncertainfactorsdifficulttobemeasuredinactualapplications,whichcanbesolved

byadjustingtransportratRi.Thislocationcanbasicallymeetthedemand.hekeyofthemodel’sapplicationistheaccuratesubstitutionofthemaps,andisitnotdifficulttofigureout．Inactuallogisticspractice，possiblyinvolvingtensorevenhundredsofdistributionpoints，theuseofcomputermethodswillbeveryvaluable。

Theoreticallyspeaking，althoughitsprecisionhascertainerror；comparedtothetraditionallocationmethoddependingonsubjectiveimagination．itisscientificsomewhat．Additionally,theabove-mentionedmethodisconcise，andnoadvancedcomputerprogrammingtechnologyisneeded，aslongaswithcertaincomputerknowledgeandoperatingskills，anyonecancompleteit，andeasilyapplyittologisticspractice．ExperiencesfromabroadshowsthatthecorrectlocationofagriculturalproductlogisticsdistributioncenterwillhelpthehealthyandOrderlydevelopmentoflogisticsindustry．

Therapidindustrializationandgrowthofmanycountriesaroundtheworldhasspurredthedevelopmentofsupplychainsmanagementreacharoundtheworld.Supplychainmanagementisthemanagementwhichincreasesthevalueofsupplychain.Itistheprocessofplan,moderatenessandcontrolamongdepartmentsandorganizationsinthewholesupplychaintotheflowofgoods,informationandcapitaletc.Itspurposeistomaximizenetvalueandincreaseoperationalefficiencyandeffectivenesstoallrelatedprocessthroughsystemoptimization.

Supplychainmanagementisthehighstageoflogisticsdevelopment,whichprovideopportunitiesformanufacturerstocutcostsandbeclosertoemergingand

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highgrowthmarketsbutithasalsocreatednewrisks.Assupplychainsbecomemore

andmoredependentontheefficientoflogisticscenterinsupplychainhavegreat

influencetothemodernlogistics.Itplayanimportantroleinmakinguseoflogisticresources,upgradinglogisticstechnologyandlogisticsequipment,improvingqualityofservice,improvinglogisticsinvestmentenvironment,promotingthegrowthofthe

thirdpartylogisticsprovider.Inaddition,thesiteselectionoflogisticsdistributioncenterisanimportantpartoflogisticsplanning,andthequalityofsiteselectionprogramhasadirectlyinfluencetoservicecostandscopeofthewholelogisticssystem.

Ourmodelisavariantofthestandardfixedchargecapacitatedfacilitylocation

modelswithseveralsources;whichhasthesameconstraintsbutusesanon-linearobjectivefunctiontocapturetheoperationalaspectsofleadtimesandservicelevelexplicitly.Assiteselectionoflogisticsdistributioncenterisadiscretecombinatorialoptimizationproblem.Inthispaper,wediscusstheuseofgeneticalgorithms（GA）forsolvingthesiteselectionproblem.TheadvantageofGAisthattheirchromosomes

representationsdependontheconstraintsandnottheobjectivefunction.Thus,bymodifyingonlythefitnessfunction,wecanuseagivenrepresentationtodevelopGA

tooptimizedifferentobjectivesunderthesameconstraints.

Site

selectionoflogisticsdistribution

centers

isa

kind

ofNP

hard

．

，

thecomplexityofthe

problem

Whenthenumberofvendorsanddeliverscrease

problemgrowsintheformofexponential

．

At

，

theprocessofsiteselection

this

，

，

distribution

centersandthe

paperconsiderthefactorsamongvendors

dealers

optimizationproblemsundersupplychainmanagementetcanddesignmesolutionmodelandtestthemodelwithmatlabatlast．Atpresent，thetheoreticalstudyandpracticalapplicationoftheoptimizationproblemisrelativelylessforthesystemofSiteselectionundermewholesupplychainmanagement．So，thispaperproposesthepracticemodeloftheproblemandtestitwithGAhasacentersignificanceofresearch.However,thispapersimplifiesthecostofdeliverypath,theimpactofcertainstoragemanagementstrategyandadministrativemeasurestositeselectionofdistributioncentersarenotconsideredtoo,etc.Thoseproblemsareallthefocusinourfuturestudy.

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Theironandsteelindustryhasenormouslogisticscomponents;itisunderconstantpressuretoshortendeliverytime,improvequality,reducecost,andimproveservice.Therefore,howtocontrolthelogisticscostsundertheexistingconditionistheurgentproblemfortheironandsteelenterprises.

Inrecentyears,manyresearchershaveconductedstudiesonLogisticsCostManagement.Forcostcontrolofironandsteelenterprises,thesestudiesmainlytooktheviewpointofproductionlogisticsandproductiontechniques.

Aspresen