A.at the top center of the next line
B.near the chart title
C.at the lower left corner
D.at any convenient location
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A.mean low water
B.mean lower low water
C.mean high water
D.mean high water springs
A.Top center
B.Lower-left corner
C.Part of the chart title
D.Any clear area around the neat line
A.DR plot
B.track line
C.heading
D.estimated course
A.Lambert conformal
B.Mercator
C.azimuthal
D.gnomonic
A.total number of observations
B.average wind force on the Beaufort scale
C.average wind force in knots
D.percentage of calms
最新試題
Particular care is needed when navigating in the vicinity of（）as very few of these features have been fully surveyed to modern standards to determine their correct position，full extent，or the least depth over them.
A chart with a scale of 1:80，000 would fall into the category of a（）.
When using a Lambert conformal chart in high latitudes，angles such as bearings are measured in reference to （）.
The short-long dashed magenta line around Gardiners Island marks（）.
The short-long dashed，magenta lines parallel to York River Entrance Channel mark（）．
Which chart symbol indicates the bottom is clay（）.
The arrangement of charts in the catalogue is（）.
（）is not a position-fixing system.
The broken magenta lines（long and short dashes）in and around Mobjack Bay indicate（）.
On chart，bearings to near objects should be used in preference to objects farther off，because（）.