Nautical Mile vs Statute Mile
mais (los yog txoj cai mais) thiab nautical mais yog ob qhov ntsuas ntawm qhov ntev, qhov twg txoj cai mais feem ntau siv los ntsuas qhov deb, hauv thaj av thaum nautical mais yog siv hauv hiav txwv. Txawm li cas los xij, kev siv nautical mais tau txuas ntxiv mus rau lwm yam kev taw qhia, xws li kev dav hlau.
Statute Mile
mais, tseem hu ua txoj cai mais lossis thaj av mais yog ib chav ntsuas ntsuas qhov ntev hauv lub imperial system ntawm units. Nws tau txais lub npe txoj cai mais, los ntawm qhov tseeb tias nws tau txhais los ntawm Txoj Cai ntawm Parliament hauv tebchaws Askiv, xyoo 1593.
1 Txoj Cai Lij Teb yog sib npaug rau 5, 280 ko taw lossis 1, 760 yards. Nws yuav muab 1609.34 meters thiab 1.60934 km. Ua ntej xyoo 1959, vaj tsis yog lub rooj sib txoos ua ib chav tsev thiab qhov ntev ntawm lub vaj sib txawv ntawm lub teb chaws mus rau ib lub teb chaws. Teb Chaws Asmeskas, England, Australia, New Zealand, thiab Canada siv qhov ntev sib txawv raws li lub vaj; yog li ntawd, ua rau muaj kev hloov pauv hauv mais. Txawm li cas los xij, xyoo 1959, International yard tau txais yuav thiab mais los ua 1609.344 meters.
Lub hauv paus pib ntawm mais yog nyob rau hauv lub nroog Loos thaum ub, qhov chaw cov tub rog Roman ntsuas qhov kev ncua deb mus los ntawm chav tsev "txhiab paces" hu ua mille passuum. Yog li ntawd, nws yog siv thoob plaws teb chaws Europe thiab cov European colonies. Tab sis qhov tseeb ntev txawv ntawm lub teb chaws mus rau lub teb chaws. Ntau lub mais tau siv ua ntej txhais cov mais thoob ntiaj teb. Tseem muaj cov kev ntsuas no tau siv nyob rau hauv cov xwm txheej uas tsis yog txheej txheem.
Scots mais, Irish mais, thiab Arab mais yog cov piv txwv ntawm kev hloov pauv siv thoob ntiaj teb. Lub metric mais yog kwv yees rau lub mais thoob ntiaj teb los ntawm kev sib npaug ntawm qhov tseem ceeb mus rau qhov ze tshaj 500. Lub metric mais yog 1500 meters thiab siv hauv kev ua kis las.
Nautical mais
Nautical mais yog ib chav tsev ntawm qhov ntev siv feem ntau hauv kev taw qhia. Hauv nws cov lus txhais, ib mais nautical yog qhov ntev ntawm ib feeb arc ntsuas raws txhua qhov meridian. Nws yog sib npaug rau qhov ntev ntawm ib feeb arc raws tus kab zauv.
Nautical mais yog sib npaug rau 1.15078 mais lossis 6, 076.12 ko taw. Hauv metric units, nautical mais yog 1.85200 km lossis 1, 852.00 meters. Nws yog luv rau NM lossis nmi kom yooj yim.
Nautical mais feem ntau yog siv hauv kev taug kev, hauv kev lag luam naval thiab aerospace. Txawm hais tias muaj kev hloov pauv sai hauv chav tsev, nyob rau hauv lub ntiaj teb niaj hnub no, ib mais nautical yog qhov tseem ceeb hauv kev taw qhia vim nws txoj kev sib raug zoo nrog qib thiab feeb. Nws yog ib qho yooj yim los ntsuas qhov deb ntawm daim duab qhia chaw hauv nautical mais thiab tuaj yeem nyeem tau yooj yim thiab xa mus rau, ib yam nkaus.
Qhov nrawm ntawm cov dav hlau thiab, feem ntau yog nkoj, ntsuas hauv pob, uas yog ib chav tsev tau los ntawm mais nautical. Lub pob caus txhais tau tias yog ib mais nautical ib teev.
Qhov txawv ntawm Txoj Cai Mile thiab Nautical Mile yog dab tsi?
• Ob txoj cai mais thiab nautical mais yog cov qauv qub uas siv los ntsuas qhov ntev.
• Txoj cai mais yog 5, 280 ko taw lossis 1609.34 metres, qhov mais nautical yog 6, 076.12 ko taw lossis 1, 852 meters. Yog li ntawd, ib mais nautical yog 1.15078 txoj cai mais.
• mais yog siv hauv UK, Tebchaws Asmeskas, thiab Canada, hauv kev siv tib yam. Nws tau dhau los ua ib chav tsev uas tsis siv neeg siv hauv kev siv txuj ci (hauv kev tshawb fawb thiab kev tsim vaj tsev), txawm tias tom qab ntau cov qauv thiab kev hloov kho tau qhia.
• Nautical mais tseem yog chav tsev tseem ceeb siv hauv kev taw qhia, vim nws txoj kev sib raug zoo nrog kev ntsuas angular raws lub ntiaj teb nto.
1 Nautical mais=1.15078 Txoj Cai mais lossis Land Mile
1 Txoj Cai mais=5, 280 ko taw lossis 1609.34 meter
1 Nautical mais=6, 076.12 ko taw lossis 1, 852 meters
