A.Tidal Current Tables
B.Tide Tables
C.American Practical Navigator
D.Sailing Directions
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A.Admiralty Sailing Directions
B.Admiralty List of Lights
C.Admiralty List of Signals
D.Admiralty Notices to Mariners
A.corrections
B.publications
C.supplements
D.alterations
A.enforces
B.cancels
C.corrects
D.replenishes
A.horizontal
B.vertical
C.diagonal
D.vertical or diagonal
A.publications
B.notices to mariners
C.supplements
D.Annual Summary of Admiralty Notices to Mariners
最新試題
During daylight savings time the meridian used for determining the time is located farther （）.
The height of tide is the （）.
On a voyage from Halifax,N.S.,to Dakar,West Africa,the Canary Current will （）.
The distance between any two meridians measured along a parallel of latitude （）.
An occulting light is one in which （）.
Clearance gauges at bridges indicate （）.
Due to lapse of time the risk in these areas to surface navigation is now considered （）than the ordinary risks of navigation，but a very real risk still exists with regard to anchoring，fishing or any form of submarine or seabed activity.
The height of eye correction is smaller than geometrical dip because of （）.
The distance between any two meridians measured along a parallel of latitude and expressed in miles is the （）.
Information on the operating times and characteristics of foreign radiobeacons can be found in which publication? （）