Los ntawm International Dictionary of Marine Aids to Navigation. 2-5-170 Ib. 1. Ib lub teeb uas lub sijhawm tag nrho ntawm lub teeb nyob rau hauv txhua lub sijhawm yog kom meej meej ntev dua li tag nrho lub sijhawm ntawm kev tsaus ntuj thiab nyob rau hauv uas lub sijhawm ntawm qhov tsaus ntuj (occultations) yog txhua lub sijhawm sib npaug.
Dab tsi yog txhais ntawm Occulting?
1. Ntawm, ntsig txog, lossis cuam tshuam nrog kev ua tsis ncaj ncees lossis tej yam yees siv cuam tshuam, koom haum, lossis tshwm sim: occult astrological powers. 2. Muaj tsuas yog rau qhov pib; secret or mysterious: occult dab neeg. Saib Synonyms ntawm mysterious.
Lub teeb hloov pauv yog dab tsi?
Ib lub teeb hloov, luv luv "Al", yog ib lub teeb uas qhia cov xim hloov pauv. Piv txwv li, "Al WG" qhia cov teeb dawb thiab ntsuab hloov pauv.
Q 3 10s lossis VQ 3 5s lub teeb txhais li cas?
North cardinal mark – Lub North Cardinal Mark lub teeb yuav flash tsis tu ncua ib leeg - VQ=Ceev heev Flash los yog Q=Quick Flash. East cardinal mark - Q(3) 10s (3 ceev flashes txhua 10 vib nas this) los yog VQ (3) 5s. (peb nrawm nrawm txhua 5 vib nas this) South cardinal cim. -
Isophase thiab Occulting yog dab tsi?
Occulting: Qhia lub sij hawm ntev ntawm lub teeb dua qhov tsaus ntuj (tawm tsam ntawm flashing) Isophase: qhia lub sijhawm sib npaug ntawm qhov kaj thiab qhov tsaus ntuj- nco ntsoov tias "iso" txhais tau tias tib yam. Lub Flash Ntev: (L Fl.)
