DevelopmenthistoryLasertechnologyappearedinthe1960s,anditsactualapplicationbeganintheearly1970s.Theearliestlasertransmitterwasanelectroniclasertubefilledwithhelium-neon(He-Ne)gas,whichwasverylarge,soi...

TheoreticalsourcesThetheoryofsocializationofproductionisanimportantpartofallMarx’seconomictheories.ThistheoryisMarx’stheoreticalsummaryofproductivityinthecapitalistera.MarxbasedTheactualhistoricalsitu...

SynonymHDLCgenerallyreferstoadvanceddatalinkcontrolTheabovecontentisreviewedandannouncedbytheNationalScienceandTechnologyTermReviewCommitteeDefinitionAdvancedDataLinkcontrol(HDLC,High-levelDataLinkCon...

OverviewInternetTVincludesIPTVandInternetTV.ItusestheInternettointegratemultiplecontentresourcestobroadcastliveoron-demandTVprograms.Itisamorepopularformofvideoprogramtransmissioninrecentyears.Itrelie...

Thisreferstowhetherthespeakersupportsmulti-channelsimultaneousinput,whetherthereisanoutputinterfaceforpassivesurroundspeakers,whetherthereisaUSBinputfunction,etc.Thenumberofexternalsurroundspeakerstha...

Asysmmetricalcableismadeofseveralpairsofdoubleconductorscalledcorewiresinaprotectivesheath.Inordertoreducetheinterferencebetweenthepairsofwires,eachpairofwiresismadeintoatwistedshape,whichiscalledatwi...

StatisticalmethodsStatisticsarerichandintricate,anditisnoteasytoselectstatisticalanalysismethodsreasonably.Forthesamedata,ifyouchoosedifferentstatisticalanalysismethods,sometimestheconclusionsarecompl...

PhonemictextPhonetictextrecordslanguagebyspecifyinglettersforphonemes.English,Arabic,andRussianbelongtothistypeoftext.ThespellingandpronunciationofChineseandEnglishphoneticcharactersareseriouslyoutofs...

IntroductionFoundedin1994,theWorldWideWebConsortiumisthemostauthoritativeandinfluentialinternationalneutraltechnicalstandardorganizationinthefieldofWebtechnology.Sofar,W3Chaspublishedmorethan200far-re...

Основни характеристики (1) Интеграция Може да получава, съхранява, организира и синтезира информация равномерно чрез множество канали. Картина (1 снимка) Обработка на текст: Notepad, WordPad, Word, WPS Обработка на графики и изображения: PhotoSho...

IdealopticalsystemTheidealopticalsystemisanimagingsystemthatcanproduceaclear,completelysimilarimagetotheobject.Thebeamsinwhicheachlightrayoritsextensionlinesallintersectatthesamepointarecalledconcentr...

BasicinformationHistoryBeijingUniversityofPostsandTelecommunicationsIn1955,theBeijingUniversityofPostsandTelecommunicationswasestablishedonthebasisofthetwomajorsofTianjinUniversity'sDepartmentofTeleco...

Основна информация Резюме "Бум, бум" и "ху, ху", учестен пулс и дишащи звуци бяха оглушителни. Всичко започна да се замъглява и след това се изкриви.

DevelopmentCountriesintheworldregardthedevelopmentofnewmaterialsasanimportantaspectofeconomicdevelopmentandtechnologicalprogress.Variousnewtextilefibersareusedasimportantmaterialsintoday'shigh-techfie...

AbriefhistoryofresearchInprimitivesociety,primitivepeopleperceivetheexistenceofcarbondioxideintheirdailylife,butduetothelimitationofhistoricalconditions,theylookattheinvisibleandintangiblecarbondioxid...

Въведение whetheryouuseyoursmartphonepctosurftheinternet, yourmobilephoneorpcwillbeassignedanipaddress, andthemobilephoneorpcwillusethisipaddresstocommunicatewitheternetcommunicateandexchangeinf ...