Tej zaum koj yog cov neeg yuav khoom siv hluav taws xob digital , uas tab tom nrhiav kom zoo nkauj tshuab raj iPhone , thiab Mecanmed yog ib qho chaw tsim khoom lag luam thiab cov khoom siv uas tuaj yeem ua tau raws li koj cov kev xav tau. Tsis tsuas yog digital cavgraphy uas peb tau tsim muaj pov thawj cov qauv kev lag luam thoob ntiaj teb, tab sis peb kuj tuaj yeem ua tau raws li koj cov kev xav tau kev hloov kho. Peb muab online, kev pabcuam raws sij hawm thiab koj tuaj yeem tau txais cov lus qhia ntawm Digital Radiogrogrography System . Tsis txhob yig tau txais kev sib cuag nrog peb yog tias koj txaus siab rau Digital Fraphgraphy System , peb yuav tsis tso koj tseg.