A Mercator chart is a ______.A.cylindrical projectionB.simple conic projectionC.polyconic projectionD.rectangular projection
A Mercator chart is a ______.
A.cylindrical projection
B.simple conic projection
C.polyconic projection
D.rectangular projection
相关考题：
On a mercator chart, 1 nautical mile is equal to ______.A.1 minute of longitudeB.1 degree of longitudeC.1 minute of latitudeD.1 degree of latitude
A SELECT statement can be used to perform these three functions:1. Choose rows from a table.2. Choose columns from a table3. Bring together data that is stored in different tables by creating a link between them. Which set of keywords describes these capabilities? （）A. difference, projection, joinB. selection, projection, joinC. selection, intersection, joinD. intersection, projection, joinE. difference, projection, product
Evaluate this SQL statement: SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT_NAME FROM EMP e, DEPARTMENT d WHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID; In the statement, which capabilities of a SELECT statement are performed?（）A. Selection, projection, joinB. Difference, projection, joinC. Selection, intersection, joinD. Intersection, projection, joinE. Difference, projection, product
Evaluate this SQL statement:In the statement, which capabilities of a SELECT statement are performed?() A. Selection, projection, joinB. Difference, projection, joinC. Selection, intersection, joinD. Intersection, projection, joinE. Difference, projection, product
All straight lines represent great circle tracks on a chart based on a(n) ______.A.Mercator projectionB.polyconic projectionC.orthographic projectionD.gnomonic projection
Distance along a track line is measured on a Mercator chart by using the ______.A.latitude scale near the middle of the track lineB.longitude scale near the middle of the track lineC.latitude scale at the midlatitude of the chartD.latitude or longitude scale at the middle of the scale
The only cylindrical chart projection widely used for navigation is the ______.A.Lambert conformalB.MercatorC.azimuthalD.gnomonic
What information is NOT found in the chart title?A.Survey informationB.ScaleC.Date of first editionD.Projection
When navigating in high latitudes and using a chart based on a Lambert conformal projection，______.A.a straight line drawn on the chart approximates a great circleB.the chart should not be used outside of the standard parallelsC.the course angle is measured at the mid-longitude of the track lineD.distance cannot be measured directly from the chart
For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?A.Plotting radio bearings over a long distanceB.Determining latitude and longitude of a fixC.Measuring rhumb line distancesD.Measuring rhumb line directions
In very high latitudes，the most practical chart projection is the ______．A.MercatorB.GnomonicC.AzimuthalD.Lambert conformal
______ is a digitized“picture”of a chart．A.Vector chart formatB.Raster chart dataC.pixelD.Electronic Nautical Chart
A chart projection depicting the poles and a small area on either side of a connecting meridian, that is sometimes used for star charts, is the ______.A.azimuthal gnomonic projectionB.Lambert conformal projectionC.transverse Mercator projectionD.polyconic projection
line chart窗口3的信息来自于哪个地方（） A、chart 1的 additional infoB、chart 1的 eventC、chart 1的 change msD、chart 1的Information Elements
Evaluate this SQL statement: SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT_NAME FROM EMP e, DEPARTMENT d WHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID; In the statement, which capabilities of a SELECT statement are performed?（）A、Selection, projection, joinB、Difference, projection, joinC、Selection, intersection, joinD、Intersection, projection, joinE、Difference, projection, product
Evaluate this SQL statement: SELECT e.EMPLOYEE_ID,e.LAST_NAME,e.DEPARTMENT_ID, d.DEPARTMENT_NAME FROM EMPLOYEES e, DEPARTMENTS d WHERE e.DEPARTMENT_ID = d.DEPARTMENT_ID; In the statement, which capabilities of a SELECT statement are performed?（）A、selection, projection, joinB、difference, projection, joinC、selection, intersection, joinD、intersection, projection, joinE、difference, projection, product
单选题What does ECDIS stand for?（）AElectrical Chart Display and Indication SystemBElectronic Chart Display and Information systemCElectric Chart Display and Information SystemDElectronic Chart Display and Indicating system
单选题（）is a digitized“picture”of a chart.AVector chart formatBRaster chart dataCpixelDElectronic Nautical Chart
单选题A SELECT statement can be used to perform these three functions: 1. Choose rows from a table. 2. Choose columns from a table 3. Bring together data that is stored in different tables by creating a link between them. Which set of keywords describes these capabilities?（）Adifference, projection, joinBselection, projection, joinCselection, intersection, joinDintersection, projection, joinEdifference, projection, product
单选题The only cylindrical chart projection widely used for navigation is the（）.ALambert conformalBMercatorCaximuthalDgnomonic
单选题All straight lines represent great circle tracks on a chart based on a(n) （）.AMercator projectionBpolyconic projectionCorthographic projectionDgnomonic projection
单选题On a Mercator chart，1 nautical mile is equal to（）.A1 minute of longitudeB1 degree of longitudeC1 minute of latitudeD1 degree of latitude
单选题What area of the earth cannot be shown on a standard Mercator chart（）.AEquatorBAreas including both North and South latitudesCNorth and South PolesDA narrow band along the central meridian
单选题Distance along a track line is measured on a Mercator chart by using the （）.Alatitude scale near the middle of the track lineBlongitude scale near the middle of the track lineClatitude scale at the midlatitude of the chartDlatitude or longitude scale at the middle of the scale
单选题A chart projection depicting the poles and a small area on either side of a connecting meridian，that is sometimes used for star charts，is the（）.AAzimuthal gnomonic projectionBLambert conformal projectionCTransverse Mercator projectionDPolyconic projection
单选题For what purpose would using a Lambert conformal chart be more convenient than using a Mercator?（）APlotting radio bearings over a long distanceBDetermining latitude and longitude of a fixCMeasuring rhumb line distancesDMeasuring rhumb line directions
单选题A Mercator chart is a （）.Acylindrical projectionBsimple conic projectionCpolyconic projectionDrectangular projection