有关手机发展的英语演说稿.ppt

有关手机发展的英语演说稿.ppt

ID:52317394

大小:4.30 MB

页数:10页

时间:2020-04-04

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1、ThehistoryofmobilephonesUnconsciously,mobilephoneshavecomeintoourlivesmorethan30years.Aspeople’slivingstandardrises,mobilephonehasgraduallytransformedfromluxuryintoverypopularconsumerelectronicsproductuptonow.Byreviewingtheprocessofthedevelopmentofmobilephone,ithas

2、changedalotinthetermsoftheappearanceorthefunction.Thedevelopmentofmobilephonegotthroughtransformationagainandagain.Itformsthemodelingofdiverse,multiplefunctions,anditisnolongerasinglecommunicationtool.MotorolaDynaTACistheworld'sfirstmobilephone,theDynaTAC8000Xweigh

3、s2pounds,talkingtimeforhalfanhour,thesalespriceof$3995MartinCooperisKnownasthefatherofmobilephone.Itislikeabrick,butthischangedpeople’slife.Thisistheoriginalofseveralkindsofmobilephone’sappearance.Hearingthesefamiliarring,whatdowethinkof?Injustafewyears,mobilephone

4、’sshapebegantochange.theyaresmallerthantheoriginal,lighterthantheoriginal.SmallerandlighterInaddition,theirshapebegantodiversify.Functionalsobegantoincrease,suchassendingshortmessages,MP3,MP4,andsoon.Thefirstcovertype(滑盖)mobilephoneMotorola:8900Thefirstcapping(旋盖)M

5、otorolamobilephoneV70ThefirstminimumMotorolamobilephone:998FirstMP3integratedmusicfunctionphoneMobilephonefromanalog(模拟)eraintotheGSM(全球移动通信系统)era,thento2.5Gera,andevento3Gera.Mobilephonehasenteredarapiddevelopmentperiod.TheGrandDevelopmentOfTheMobilePhoneMobilepho

6、nedevelopedrapidly,justlikeagustofwind.About20yearsagoPeopleusedthephonelikeabrick.About10yearsagoMyphoneissmaller,notlikeabrick.NowadaysLookinghere,mybeautifulsmartphone.Abaut5yearsagoIcanusemynewphone.Allthosechangedsofast.TheEmergenceOfSmartphonesWhenitcomestosm

7、artphones,whatcrowdsintoourmindsisApple,Samsungandsoon.Theirappearanceisverygood-looking,andtheirfunctionsaremorepowerfulaswell.TheFunctionsOfSmartphonesBasicfunctionGPSnavigationSurftheInternetGoshoppingthroughtheInternetAndsoonInstallthelearningsoftwaretolearnThe

8、EndingThehistoryofmobilephones’developmentisveryshort.Duringthepast30years,ithasdevelopedfromtheoldestappearanceintowhatweusenow.Itisnotonlytomak

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