相关题目
37. () provides a selection of commonly used routes with their distances between principal ports and important positions.
36. Data relating to the direction and velocity of rotary tidal currents can be found in the ().
35. Where would you find information about the time of high tide at a specific location on a particular day of the year?
34. You may find the time of slack water after low water in a certain port from().
33. The Tide Table gives the prediction of the () of high and low water in standard ports.
32. From () the mariner can understand the data of tide.
31. Latest additions and amendments to Admiralty Tide Tables are published in ().
30. When the transmissions of a radio station have broken down, switched off or suspended, it is ().
29. We can look up the port communication channel in ().
28. If you need information regarding ordering pilot and/ or entering ports you may see Admiralty List of Radio Signals volume ().
