Western EuropeprofessionalA prismGood faith serviceApplicationforcolumn(A,Btwoknowncoordinates,tocalculatetheCpointcoordinates): IsAbitintheknowncoordinatesofA,Btwoerectionequipment(instrumentsetupatpointA,forexample),andcompletesettlementofthefoundationafteroperationonanotherknownpoint(pointB),andthenaccordingtotheirownneedtoconfigureAreading1andrecord,andsightingpointC(unknown)reading2again.

Tapethemaintypesofthesteeltape,followedbyfibertape,isthetapemeasure,youoftenseealotofpeoplesaytape, thereiswaistfeet(tailortape/tapebelongtosuch).InthesouthofourcountryandHongKongareusuallycalledtapeflexibleruleorpullrod.ThematerialisPVCplasticandglassfiber,glassfibercanpreventbeingstretchedintheprocessoftheuseofthetape.

NowonthemarketLuoPanyouthree,respectively,threeyuancompass,sanhesanhecompositecompasscompassandthreeyuan.Learnwhentoselectthreeyuanfengshuisanhecompositeforthecompass. Intheshapeofthecompassfortheforeignparty,andwithinthecompassofyuantongplaterotation,around,roundmusthave360°scaleandinforeignaroundthefourhavetwofixedcrossgeographic.

whichisbasedontwoknownpointsontheobservationresults,theorientationofthethirdpointinthedistance,butsincethereisnosuitableinstrument,theviewpointmeasurementtechniqueislimited,theprecisionisnothigh, thusmakingthetopographicmapaccuracyisnothighalso.Andthecreationofthetheodolite,improvetheobservationprecisionoftheviewpoint,simplifiestheprocessofmeasurementandcalculation,togethertoproducethemaptosupplythemoreaccuratedata.

:in2,thepurposeistomaketheinstrumentcenterandthetestsiteislocatedinthesameverticalline.Canmovethefootrack,screwrotatingfeetmakeaccurateaimedatthecenterofthetessefsignin. 3,leveling:electronictheodolitepurposeistomaketheinstrumentverticalaxisverticalandhorizontalcircle.AccordingtothedefinitionofthehorizontalAngle,istwodirectionlineinthehorizontalplaneprojectionAngle,sothehorizontalcirclemustbelevel.

Intheprocessofactualmeasurement,thestaffneedasmuchaspossibletoreducetheimpactoftemperatureformeasuringinstrument, soitisveryimportanttochoosetheappropriatemeasurementenvironment.Ifyouwanttoachievegoodenvironmentaltemperaturecontrol,theusercaninstallthermostaticdeviceindoors. Secondrelatedfactorsofthemeasuredobjectalsohasagreatinfluencetotheprecisionofmeasurement,suchassize,material,etc.,ifinthecaseofatemperaturedifferenceisnotbig,theworkpiecesizeislarge,

Measuringinstrumensupgadeimagemeasurementtechnologytoanewstageofequipment,hasthecharacteristicsofhighlyintelligentandautomation. Intheprocessofmeasuringinstrumentmeasurement,thelightsourceisthecoreoftheimportant,thecurrentmeasurementsoftwareforthelightsourcecontrolisveryflexible, accordingtothemeasuredworkpiece,