Nrog rau txoj kev loj hlob ntawm lub hnub ci txoj kev teeb, hnub ci txoj kev teeb yog tam sim no tau siv nyob rau hauv ntau qhov chaw, tshwj xeeb tshaj yog nyob rau hauv qee qhov chaw nyob deb nroog.Hnub ci txoj kev teeb pom kev tsuas yog siv lub hnub ci zog raws li qhov sib npaug ntawm electromagnetic zog mov thiab kev thov.Lawv yog siv rau hmo ntuj txoj kev teeb pom kev zoo, thiab yog con ...
Hnub ci teeb tau hloov mus rau hauv hluav taws xob los ntawm lub hnub ci vaj huam sib luag.Thaum nruab hnub, txawm nyob rau hnub huab cua, hnub ci vaj huam sib luag tuaj yeem sau thiab khaws lub zog xav tau.Raws li ib yam ntawm inexhaustible kev nyab xeeb thiab ib puag ncig tus phooj ywg lub zog tshiab, hnub ci zog tau txais kev saib xyuas ntau dua.T...
Txhawm rau ua kom lub zog tiv thaiv kev tiv thaiv kom ua tau zoo ntawm nws txoj haujlwm tam sim no-tso tawm thiab kev txwv tsis pub muaj zog, qhov hluav taws xob tam sim no tshwm sim los ntawm xob laim lossis kev ua haujlwm yuav raug qhia kom nyab xeeb rau hauv lub ntiaj teb, kom cov khoom siv hluav taws xob hluav taws xob tuaj yeem tiv thaiv zoo dua, nws yog tsim nyog...