航海词汇英文Word文件下载.docx

航海词汇英文Word文件下载.docx

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BarometricGradient;

therateatwhichatmosphericpressurerisesoffalls、

BarsHarborBar、

Beacon;

anunlitnavigationmark、

Bearing;

thecompassreadingtakenofaobjectinrelationtotheobserver、

BeaufortScale;

anumericalmethodofdescribingwindstrength、

Body;

acelestialobject、

BuoyageMarksandSystems;

CNavigationTerms、

Cape;

apieceoflandthatthatprojectsoutintoalargebodyofwater、

CardinalMarks;

buoyagemarksindicatingthedirectionofsafewaterwithreferencetothecardinalpoints、

CardinalPoints;

thefourmainpointsofthecompass,North,East,SouthandWest、

Cartography;

thestudyandtheconstructionofmaps、

Cartographer;

amapmaker、

CCorCompassCourse;

thecoursetosteerwhichhasbeencorrectedforcurrent,variation,anddeviation、

Celestialnavigation;

amethodofnavigatingbyreferringtothestarsorotherobjectsinthesky、

Celestialsphere;

animaginaryspherewiththeearthatitscenter,onwhosesurfacethestars,planetsandotherheavenlybodiesappeartobesituated、

Characteristics;

thedistinctivepatternofflashesusedtoidentifyalight、

Chartdatum;

thereferencelevelonchartstowhichtidalheightsarereferred、

Charteddepth;

thedepthshownonthechartforaparticularpointontheseabed、

Chronometer;

averyaccurateclockorwatchthatisusedfordeterminingone'

slongitudeatsea

Circumnavigate;

totravelaroundtheentireEarth、

Civiltwilight;

timesgiveninthealmanac,forlistedlatitudesforapproximatelythebesttimetotakeamorningoreveningsight,whenboththehorizonandtheheavenlybodiesarevisible、

CMG;

theCourseMadeGoodisthecourseovertheground、

Cockedhat;

atriangleformedbyaseriesofthreeLOPswhichdonotmeetatanexactpoint、

COLREGS;

theinternationalrulesforpreventofcollisionsatsea、

Compass;

adevicethatalwayspointstowardsmagneticnorth,usedfornavigation、

CompassRose;

isadesignonachartthatshowsdirection、Itpointswhichwayisnorth,south,east,west,andsomeintermediatedirections、

Constellations;

Stargroups、

Conversiontables;

usedtoconvertunitsofonesystemtounitsinanother、

Copernicus;

1473-1543,PolishastronomercreditedwithdisprovingthePtolemaicSystem、

Course;

thedirectioninwhichavesselisheadingorisintendedtobesteered,thedirectionthroughthewater、

Coursemadegood;

thedirectioninwhichthevesselisactuallytravelingasopposedtothedirectioninwhichitispointing、Corrections;

alterationsmadetochartstoupdatenavigationalinformation、

Crossbearing;

usingLOPsfromseveralnavigationalaidsormarkstoobtainapositionfix、

Crux;

theSouthernCrossaconstellationseeninthesouthernhemisphere、

DNavigationTerms、

Deadreckoning;

determiningapositionbyplottingcoursesandspeedsfromaknownposition、

Declination;

theangulardistancetoapointonthecelestialspheremeasurednorthandsouthfromthecelestialequatoralongthehourcircle、

Deviation;

thecompasserrorscausedbymetallicomagneticobjectsonboardthevessel、

Dip;

acorrectiontobeappliedtosextantattitudestocompensateforheightofeyeabovesealevel、

Doldrums;

theInter-tropicalConvergenceZone（orITCZ）abeltofverystillairbetween5degreesnorthand5degreessouthoftheequator、

Drift;

thespeedinknotsoftheeffectofcurrentortideonavessel'

sprogress、

Dryingheight;

theheightabovechartdatum,onachart,ofanyareaswhichareuncoveredatlowwater、

Durationoftide;

thetimebetweenhighanlowwater,normallyjustover6hours、

ENavigationTerms、

Ebb;

out-flowingtide、

ElectroniclogsorElogbooks;

amethodofstandardisingthekeepingoflogsdigitallyoncommercialvessels、

Electroniccharts;

therearetwodifferenttypesseeVectorchartsandRastermarinecharts、

ENT;

EveningNauticalTwilight、

EP;

EstimatedPosition,theDRplustheeffectsofcurrent、

Ephemerals;

apublishedcollectionoftablesgivingcoordinatesforastronomicalbodiesforspecifictimes、

EstimatedPosition;

aDRpositionwhichhasbeenadjustedtoallowforSetandDrift、

ETA;

estimatedtimeofarrival、

Equator;

animaginarycirclearoundtheearth,halfwaybetweenthenorthandsouthpoles、

FNavigationTerms、

Fathom;

anoldfashionedunitofmeasurementtomeasuredepth,approximatelyequalto6feetor1、8meters、

Flood;

incomingtide、

FirstPointofAries;

apointonthecelestialspherewhichisusedasareferencepoint,itisinfactwherethe‘Ecliptic’andtheCelestialEquatorcross、

Fix;

apositionverifiedbyreferencetobearingstakeoffaknownpointsuchasaconspicuouslandmark、

Flotsam;

thefloatingdebrisresultingfromashipwreck、

ForecastingTerms;

usedtoconveyspecific,concise,informationonweatherconditions、

GNavigationTerms、

GatesTidal、

GeographicalPositionorGP;

incelestialnavigationitisthepointontheearthssurfacedirectlybeneaththeZenith,andthebitofthesurfaceyouarestandingonisyourbody’sGeographicalPositionorGP、

GHA,GreenwichHourAngle;

themeasurementofaposition,indegrees,westwardfromtheGreenwichmeridian、Readmore

GMT,GreenwichMeanTime;

nowreferredtoasUTC,CoordinatedUniversalTime,orUT,itisthemeanofthetimesofnoonattheGreenwichMeridian、

GPS,GlobalPositioningSystem;

asystemwhichusesinformationbroadcastfromorbitingsatellitestocalculatethelongitudeandlatitudeofareceivingdevice、

Greenwichmeridian;

thePrimeMeridianitisthe0°

longitudeline,itisreferredtoastheGreenwichMeridianbecauseitpassesthroughtheRoyalObservatoryatGreenwichintheUK、

Gyrocompass;

anonmagnetictypeofcompass、

HNavigationTerms、

HarborBars

Handheld,Compass;

asmallportablecompass、

Heading;

thedirectioninwhichavesselispointing,asopposedtothecoursemadegood、

HE,HeightofEye;

theheightofasextantuser’seyeabovesealevel,neededtoaddasacorrectiontoasitereduction、

Heightoftide;

afiguretakenfromthetidetablesindicatingthedepthofwaterabovethechartdatum、

Horizon;

theapparentline,foranobserverwheretheearth’ssurfaceandtheskymeet、AlsoacircleformedonthecelestialspherebyaplanetangenttoapointontheEarth'

ssurface、

HorizonGlass;

orHorizonMirrorhalfclearglasshalfmirror,onasextantitallowstheobservertoviewthehorizonatthesametimeasareflectionofwhateverisshowingintheIndexMirror、Readmore:

HorseLatitudes;

SeeDoldrumsandITCZ、

INavigationTerms、

internationallyrecognisedsystemsofbuoyage

Indexmirror;

themirrorattheapexofasextantframewhichpivotswiththeindexarm、

Intercept;

wheretwoormorelinessuchasLOPscross、

InternationalDateLine;

theimaginarylineinthePacificOceanatwhichthedatechanges、Thislinevariesfromthe180⁰meridiantoavoidpopulatedlandareas、

Internationalmarinesignalflags;

asystemofflagshapesanddesignesusedtocommunicatemessagesatsea、

InterpolationTables;

almanactablestoestimatevaluebetweenthetabulatedresults、

ITCZ,IntertropicalConvergenceZone;

thevaryingareaofnormallystillairlyingapproximatelybetween5⁰northandsouthoftheequator、

IsolatedDangerMark;

buoyagemarksindicatingahazard,asuchasawreckdirectlybelowthemark,

Jnavigationterms、

Jetsam;

areobjectsthathavebeenthrownoverboardfromavessel,originallystuffjettisonedbyashipwhichwasintrouble、

Knavigationterms、

Knot,（Kts、）;

aunitofspeed,nauticalmilesperhour、

Lnavigationterms、

Landfall;

theapproachtoorsightingoflandafteranoceanpassage、

LateralMarks;

buoyageindicatingtheedgeofasafewaterchannel、

Latitude;

theangulardistancenorthorsouthfromtheequatorontheearthsurface、

LeadinglightsorRangeLights;

apairoflightsdeliberatelyplacedtoprovideatransitalonganarrowchannel、

LeadingorRangemarks;

transitmarkers、

Leeway;

sidewaysmovementofavesselusuallycausedbythewind、

Limb;

whentakingasunormoonsightitisdifficulttoguesswherethecenterissotheobserveralignseitherthetopedge（UpperLimb）ormoreusuallythebottomedge（LowerLimb）oftheobjectontothehorizon、Thesightisthencorrectedusingtheappropriatecorrectiontables、

LineOfPosition,LOP;

alinedrawnonachartonwhichthepositionofthevesselmustlie、Thelinededucedfromeitheracompassbearingofamarkorasightreduction、Aminimumoftwoorpreferablymorearenecessarytoestablishafix、

LocalNoon;

thetimewhenthesunreachesitshighestaltitudeatyourpositionandisdirectlynorthorsouthofyou、itwillthenbeatyourZenithanditsGHAwillcorrespondtoyourlongitude、

Localtime;

solartimeatyo