Kev hloov pauv hloov pauv hloov pauv kev lag luamthiab yog li hloov lub ntiaj teb. Txhua qhov kev tsim kho tshiab uas tawm los ntawm kev hloov pauv kev lag luam tau txais txiaj ntsig los ntawm kev sib hloov pauv, lub tshuab nqus tsev, tshuab xaws, xov tooj, thiab ntau dua.
Dab tsi yog qhov hloov pauv tau siv rau hauv Kev Hloov Kho Kev Lag Luam?
Hloov pauv qhov chaw, nrov hauv Asmeskas thaum Eli Whitney siv lawv los sib sau musketsnyob rau thawj xyoo ntawm lub xyoo pua 19th, tso cai rau cov neeg ua haujlwm tsis txawj ntse los tsim cov riam phom loj thiab sai. ntawm tus nqi qis, thiab kho thiab hloov cov khoom yooj yim infinitely.
Thaum twg yog qhov hloov pauv tau tsim tawm?
In 1798, Whitney's armory pioneered siv cov khoom sib hloov, uas yog ze li qhov zoo tib yam uas tuaj yeem ua tau yooj yim loj tsim thiab hloov. Lub armory hu ua Eli Whitney Armory lossis Whitneyville Armory.
xyoo twg yog qhov hloov pauv tau?
In 1798 Eli Whitney tau tsim lub chaw tsim phom nyob ze New Haven. Cov muskets nws cov neeg ua haujlwm tau ua los ntawm cov txheej txheem piv rau cov khoom siv niaj hnub no yog thawj zaug kom muaj cov qauv, sib hloov tau.
Dab tsi yog sib pauv tau?
Kev hloov pauv tau yog qhov lub tswv yim ntawm kev tsim qhov zoo ib yam lossis ze li qhov zoo ib yam los ua pawg tsim. Cov nocov khoom tuaj yeem muab tso ua ke los tsim cov khoom lag luam. Piv txwv li, tsheb, khoos phis tawj, rooj tog zaum, yuav luag txhua yam khoom siv niaj hnub no, yog tsim los ntawm cov khoom sib hloov.
