A.complete and often very poor surveys
B.correct and often very good surveys
C.inadequate and often very old surveys
D.adequate and present surveys
您可能感興趣的試卷
你可能感興趣的試題
A.equipment's
B.tools
C.apparatus
D.aids
A.with
B.in
C.by
D.to
最新試題
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（）.
The shoreline on charts generally represents the mean（）.
The short-long dashed magenta line around Gardiners Island marks（）.
What information is NOT found in the chart title? （）
The revision date of a chart is printed on which area of the chart? （）
The only cylindrical chart projection widely used for navigation is the （）.
Where would you obtain data on currents for areas of the world not covered by the National Ocean Service（）.
Which information is found in the chart title（）.
That the scale of any part of a chart to be larger than the scale of the survey is（）.
When a buoy is in position only during a certain period of the year，where may the dates when the buoy is in position be found?（）