303、船吸现象的危险程度:

6. In Admiralty Sailing Directions, heights of objects refer to the height of the structure above the ().

5. Place names used on board ships should be those ().

4. *In Admiralty Sailing Direction, the distances at sea are given in (), and on land are in().

3. The Sailing Direction contain information on ()

2. *Taking reference to the latest edition ofAdmiralty Sailing Directions, the author suggests to update Admiralty Sailing Directions by () method.

1. *Admiralty Sailing Directions are published by ().

40单选题1分一般A船位于45ºS、170ºW,测得150海里外的某遇难船B真方位为270º,假定B的位置不变,A船也无航行误差,不受外界影响,则A船:

39单选题1分一般A船位于(45ºN、170ºW),测得130ºW处B船的真方位为090º,则:

38单选题1分一般A船位于(45ºN、170ºE),B船位于(45ºN、155ºW)处,则:

37单选题1分一般A船位于(45ºN、170ºE),B船位于(45ºN、155ºW)处,如果A船航向060º,B船航向205º,则A船处在B船的什么舷角上?