Chart legends printed in capital letters show that the associated landmark is().
A、inconspicuous
B、conspicuous
C、a government facility or station
D、a radio transmitter
A、inconspicuous
B、conspicuous
C、a government facility or station
D、a radio transmitter
A、Top center B、Lower-left corner C、Part of the chart title D、Any clear area around the neat line
A、after every major hydrographic survey of the area covered by the chart B、when there are numerous corrections to be made or the corrections are extensive C、when a low-stock situation occurs and minor corrections are made D、every two years to update the magnetic variation information
A、chart 1的 additional info B、chart 1的 event C、chart 1的 change ms D、chart 1的Information Elements