On a Mercator chart,1 nautical mile is equal to().
A、1 minute of longitude
B、1 degree of longitude
C、1 minute of latitude
D、1 degree of latitude
A、1 minute of longitude
B、1 degree of longitude
C、1 minute of latitude
D、1 degree of latitude
A、Mercator charts/Loran charts B、Admiralty charts/Routeing charts C、large scale charts/small scale charts D、small scale charts/large scale charts
A、Mercator projection B、polyconic projection C、orthographic projection D、gnomonic projection
A、Easily plotted on a Mercator chart B、Negligible increase in distance on east-west courses near the equator C、Does not require constant course changes D、Plots as a straight line on Lambert conformal charts
A、Azimuthal gnomonic projection B、Lambert conformal projection C、Transverse Mercator projection D、Polyconic projection
A、azimuthal gnomonic projection B、Lambert conformal projection C、transverse Mercator projection D、polyconic projection
A、azimuthal gnomonic projection B、Lambert conformal projection C、transverse Mercator projection D、polyconic projection
A、A curved line drawn on a Mercator Chart B、A course line that inscribes a loxodromic curve C、The shortest distance between any two points on the earth D、The smallest circle that can be drawn on the face of a sphere
A、Equator B、Areas including both North and South latitudes C、North and South Poles D、A narrow band along the central meridian
A、A.latitude scale near the middle of the track line B、B.longitude scale near the middle of the track line C、C.latitude scale at the midlatitude of the chart D、D.latitude or longitude scale at the middle of the scale