A.temperature and salinity differences in the water B.wind and density differences in the water C.water depth and underwater topography D.rotation of the Earth and continental interference
A.Longitude B.Latitude C.Height D.Bearing
A.at apogee B.new C.full D.All of the above
A.Flashing red lights upstream and fixed red lights downstream B.Yellow unlighted buoys C.Signs and/or flashing red lights D.Red daymarks upstream and green daymarks downstream
A.ECDIS warnings and messages B.Hydrographic Office data C.Notice to Mariners information D.All of the above
A.A current at minimum flow B.A current coming in C.A current going out D.A current at maximum flow
A.the Sun B.stars C.planets D.All of the above
A.true north B.magnetic north C.the vessel's beam D.the vessel's head
A.when the wind is against you B.with the current setting against you C.at slack water D.with a cross current
A.north B.east C.southwest D.northwest
微信扫一扫关注公众号后联系客服
微信扫码免费搜题
