On a gnomonic chart,a great circle track between Los Angeles and Brisbane will appear as a ().
A、A.loxodromic curve
B、B.curved line concave to the equator
C、C.straight line
D、D.spiral approaching the poles as a limit
A、A.loxodromic curve
B、B.curved line concave to the equator
C、C.straight line
D、D.spiral approaching the poles as a limit
A、Mercator projection B、polyconic projection C、orthographic projection D、gnomonic 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、azimuthal gnomonic projection B、Lambert conformal projection C、transverse Mercator projection D、polyconic projection
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、Gray lines on the uppermost inset chart B、Red lines on the main body of the chart C、In parenthesis on the lines of equal magnetic variation D、Annual rate of change is not shown