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Semiconductor laser diode
Semiconductor laser diode
02/02/2022 7up 2556Views

IntroductionSincethemid-1980s,thedevelopmentofsemiconductormanufacturingtechnologyanditscombinationwithlasertechnologyhasgivenbirthtosemiconductorlaserdiodes,whicharelasersourceswithbothsemiconductora...

Differential analyzer
Differential analyzer
02/02/2022 68up 2749Views

TheresearchprocessofthedifferentialanalyzerIn1930,Ph.D.V.BushfromMassachusettsInstituteofTechnologyandHarvardUniversity,withtheassistanceofsomeengineersandtechnicians,trial-producedadifferentialanalyz...

Deng Xiaoping
Deng Xiaoping
01/02/2022 95up 2894Views

CharacterrelationshipErrorCorrectionCloseErrorCorrectionWifeZhuolinAnerror10960870hasbeenreportedSonDengPufangError420807hasbeenreportedDaughterDengNanError3243415hasbeenreportedDaughterDengLinAnerror...

Rhine
Rhine
01/02/2022 77up 2950Views

ScientificresearchexperimentsWithAustralia’spollution-freeresources,naturalandpuremedicinalresources,andthrough18yearsofcosmeticpharmacologyresearch,Rheinlandhasbeencommittedtoproducinghigh-qualityher...

Urban Geographic Information System
Urban Geographic Information System
01/02/2022 11up 2658Views

IntroductionThisbookcomprehensivelyandsystematicallydiscussesthebasicprinciples,applicationmethods,newtheoriesanddevelopmenttrendsofurbangeographicinformationsystems,aswellasmanyapplicationsinurbanpla...

Behaviorism
Behaviorism
01/02/2022 4up 2606Views

BookinformationBooknumber:2019802ISBN:978-7-301-20198-5Author:(UnitedStates)WatsonEdition:1Format:Large32openBinding:flattr>Words:200Thousandsofpages:200Pricing:￥46.00Numberofviews:73Publicationda...

Population composition
Population composition
01/02/2022 59up 2823Views

Synonym:Populationstructuregenerallyreferstothecompositionofthepopulation.ConceptThepopulationstructure,alsoknownasthecompositionofthepopulation,referstoaresultobtainedbydividingthepopulationaccording...

Qin State
Qin State
31/01/2022 78up 2883Views

CountrynameThecountrynameofQinStatecomesfromplacename.IntheWesternZhouDynasty,QinFeizi,theleaderoftheQinpeople,wasgoodatraisinghorsesfortheZhouroyalfamily.In905BC,QinFeiziwasnamedtotheQinlandbyKingZho...

Virginia Code
Virginia Code
31/01/2022 87up 2829Views

IntroductionVirginiaCode(alsotranslatedasVergenalCode)istheuseofaseriesofCaesarcodestoformacodeTheencryptionalgorithmofthealphabetisasimpleformofmulti-tablecipher.TheVirginiacipherhasbeeninventedmanyt...

Quantitative
Quantitative
31/01/2022 2up 2846Views

DefinitionQuantitativeAnattributereferstoanattributethatexistsintheformofaquantityandcanthereforebemeasured.Theresultofthemeasurementisexpressedbytheproductofaspecificquantity(calledaunit)andanumber.T...

Baidu Encyclopedia: Polysemous Words
Baidu Encyclopedia: Polysemous Words
31/01/2022 38up 2773Views

BasicinformationDefinitionApolysemouswordconsistsofthetermnameandseveralmeanings.Thedescriptioncontentofeachthingwithdifferentconceptualmeaningsunderthesametermnameiscalledthemeaningitem.Thedescriptio...

xDigital Subscriber Line
xDigital Subscriber Line
31/01/2022 46up 2876Views

ThesynonymxDSLgenerallyreferstothexdigitalsubscriberline.ThegeneraltermforvarioustypesofDSL(DigitalSubscribeLine),includingADSL,RADSL,VDSL,SDSL,IDSLandHDSL.xDSLisanewtransmissiontechnologythatusesahig...

Broadband Access Technology
Broadband Access Technology
30/01/2022 34up 2741Views

CopperwireaccesstechnologyCopperwirebroadbandaccesstechnologyisalsoDSLtechnology,mainlyincludinghighbitratesubscriberdigitalloop(HDSL),asymmetricsubscriberdigitalloop(ADSL)andVeryHighBitRateSubscriber...

Ethernet switch
Ethernet switch
30/01/2022 56up 2913Views

ConceptTheswitchinghub,whichcameoutin1990,cansignificantlyimprovetheperformanceofthelocalareanetwork.SwitchinghubsareoftencalledEthernetswitchesorLayer2switches(indicatingthatthisswitchworksatthedatal...

Xidian University
Xidian University
30/01/2022 14up 2916Views

BasicinformationHistoricalevolutionBeforethefoundingofthePeople’sRepublicofChinaFebruary10,1931,RedOneThefirstradiotrainingclassofthearmystartedinXiaobuTown,NingduCounty,JiangxiProvince.In1931,theCent...

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