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简介：Globalmobilecommunicationisoneofthemostdynamicandimportantservicemarkets.Severalresearcherssuggestusingatheoreticalapproachtodevelopamuchdeeperinsightintokeymarketingconstructs,suchasservicequality,customerperceivedvalue,customersatisfaction,perceivedswitchingcosts,corporateimage,andcustomerloyalty,isvitaltothemobilecommunicationsmarket.Thispaperaimstoinvestigatetheroleofservicequality,trust,andperceivedvalueoncalculativecommitmentandloyaltyintentioninthecustomersofmobiletelephonenetworkserviceproviders(MTNSPs).Tonotifythemeaningfulfactorsforthecalculativecommitmentandloyaltyintentionoftheusersinusingmobilephones,thisstudyfocusesontheeffectofservicequalityandperceivedvalueinthetrustandidentifyingtheroleoftrustinformingcustomerloyalty.Asmanyas125usersofmobilephoneusers—housewifeweresurveyedinCoimbatore,TamilNadu,India.Thedataareanalyzedbypathanalysis.Thisstudyshowsthatservicequalityhasadirectandpositiveeffectontrust,trusthasadirectandpositiveeffectoncalculativecommitment,calculativecommitmenthasadirectandpositiveeffectonloyalty,anddirectandpositiverelationshipbetweenperceivedvalueandcalculativecommitment,perceivedvalue,andloyaltyarealsoconfirmed.Intermsofmobiletelecommunicationsystems,itisfoundthattheusersmayexhibitnoticeabledifferencesinusingthisservice.Thisstudyprovidesimportanthintstostrengthentherelationshipbetweenthenetworkserviceprovidersandtheircustomers.

简介：Fromthepointofspatio-temporalchangesofecologicalsystemtype,functionandvalue,inMengliancounty,landusing/coverdatawasbasedonthreeLandsatTMimages（respectivelyobtainedin2000,2005,2010and2015）whichwereinterpretedasbasicinformationsourcesbyusingRSandGIStechnologyandthenrevisingecosystemservicevalueperunitareainMengliancounty.ThispaperhasresearchedonthechangesofecosystemservicevalueofeconomicgardenforlargeareaplantingaswellasevaluatedecosystemservicevaluescientificallyinMengliancountycombinedwiththesensitivityanalysis.TheResultsshowedthat:（1）InMengliancounty,from2000to2015,landusepatternmanifestedasthetransformationfromlargeareasofcultivatedland,forestlandandshrubtotheeconomiclandscape,theeconomiclandscapeisincreasedby24458.31hm2,however,farmland,woodlandandshrubarereducedby24865.74hm2intotal;（2）ChangesofecosystemservicevalueiscloselyrelatedtoeconomiclandscapedevelopmentinMengliancounty.Thesituationofecosystemservicevalueshowsthechangingtrendfromimprovementtoseverityin2000-2015.ESVisincreasedby96.39millionyuanfrom2000to2005,whoseannualgrowthrateisabout0.56%·a-1.Butintheyearof2005to2015,ESVisreducedby120.23millionyuanandannualreducedrateisabout0.34%·a-1;（3）InMengliancounty,themainecologicalsystemisthewoodlandecologicalsystem,theprimaryecosystemservicefunctionsarebiodiversityprotection,gasregulation,soilformationandretention,climateregulationandwatersupply,theecologicalbenefitweredecreasedin2000-2015;（4）Fromtheaspectofspacedistribution,ecosystemservicevalueinMengliancountyisrelativelyhighinthecentralareaandrelativelynothighinthewesternandeasternarea.ESV（yuan·hm`（-2））waschangedobvious,Gongxintowntrendedtodecline,othertownsincreasedfirstthethenreduced.ThetemporalandspatialvariationofecosystemservicevalueinMengliancounty

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