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1、控制测量学考试试题及答案"ControlSurveying"examinationquestionsrefertotheanswerFirst,thenounexplanation:1meridiancircle:theclosingcircleformedbythemeridianplaneoftheellipsoidonthesurfaceoftheellipsoidandtheellipsoid.2.Aclosedloopformedbytheintersectionofthenormalsectionandtheellipso
2、idalsurfaceperpendiculartotheplaneofthecone.3、eccentricityofellipse:thefirsteccentricityissecondeccentricity4.Geodeticcoordinatesystem:coordinatesysteminwhichthepositionsofpointsarerepresentedbygeodeticlongitude,geodeticlatitude,andheightoftheearth.?????????????????????
3、??????????????????5,spacecoordinates:toellipsoidcenterastheorigin,theinitialmeridianplaneandtheequatorialplaneintersectionistheXaxisintheequatorialplanedirectionandXaxisorthogonaltotheYaxis,theaxisofrotationoftheellipsoidtotheZaxis,arighthandcoordinatesystemo-xyz.6,line
4、arpoint:normalEllipsoidbythemethodofcrosssectionandtheellipsoidsurfaceformingcirclesection.?7,therelativemethodsection:arrangedatanyellipsoidfromtwopointsaandB,anormalapointbypointbyBmethodandtheBnormallinemadebyapointmethodcalledrelativenormaltransversallineabpoints.??
5、8.Geodesic:theshortestlinebetweentwopointsonanellipsoid.9,theverticaldeflectioncorrection:theverticaldirectionofthegroundobservationbasedonthehorizontalobservation,calculatedtothelineoflawbasedonthevalueofthecorrectionshouldbeadded.10,elevationcorrection:correctiondirec
6、tiondeviationcausedbyapointheight.?????????????????????????11,crosssectioncorrection:themethodofcuttingthearcdirectionintothedirectionoftheearthaddedcorrection.???12.Thecalculationoftheinitialazimuthangle:theastronomicalazimuthangleiscalculatedaccordingtotheverticalposi
7、tionofthemeasuringstation,andthelargeazimuthangleoftheellipsoidiscalculatedonthebasisofthenormalplaneoftheellipsoid.?????13,Legendretheorem:iftheplanetriangleandthesphericaltrianglecorrespondingedgeisequal,thentheplaneangleisequaltothecorrespondingsphericalangleminus1/3
8、sphericalangleultra.?14.Theearthelement:thegeodeticlongitude,geodeticlatitude,thelengthofthegeodesiclinebetwee
