Muab cov lus qhia meej rau koj Portolani lossis portolan daim duab qhia chaw yog daim duab qhia keeb kwm yav dhau los ua ntej xyoo pua 13th ncig ntawm Mediterranean.
Leej twg invented Portolani?
Portolan daim ntawv qhia, tseem hu ua harbour-nrhiav daim ntawv, daim ntawv qhia compass, los yog rhumb chart, navigational chart ntawm European Middle Ages (1300-1500). Daim ntawv qhia hnub qub tshaj plaws tau tsim tawm ntawm Genoa los ntawm Petrus Vescontehauv 1311 thiab tau hais los cim qhov pib ntawm kev tshaj lij cartography.
Thaum twg Portolani tau tsim?
Portolan cov kab kos yog cov kab kos nautical, thawj zaug hauv 13th caug xyoo hauv Mediterranean phiab thiab tom qab ntawd nthuav dav ntxiv rau lwm thaj chaw, uas tau raug sau tseg rau lawv qhov siab cartographic raug.
Portolani ua dab tsi?
a piav txog atlas ntawm Nruab Nrab Hnub nyoog, muab cov lus qhia sailing thiab muab cov kab kos qhia cov kab rhumb thiab qhov chaw ntawm cov chaw nres nkoj thiab ntau yam ntug hiav txwv.
Portolan siv li cas thaum lub hnub nyoog tshawb fawb?
Portolan kab kos yog daim ntawv qhia kev taw qhia tsim los pab cov neeg caij nkoj mus thiab los ntawm qhov chaw sib txawv. … Cov duab qhia chaw qhia txog cov ntug hiav txwv tshwj xeeb, xws li reefs thiab ntug hiav txwv dej, cov chaw nres nkoj thiab lawv cov npe, nrog rau cov duab ntawm cov nkoj uas cov nkoj yuav nkag tsis tau.
