A、 主管国际组织的建议
B、 习惯上用于国际航行的水道
C、 特定船舶和水道的特殊性质
D、 来往船舶的吨位和吃水
答案:D
A、 主管国际组织的建议
B、 习惯上用于国际航行的水道
C、 特定船舶和水道的特殊性质
D、 来往船舶的吨位和吃水
答案:D
A. 外国籍船舶
B. 通航条件受限制的船舶
C. 国务院交通主管部门规定应当申请引航的客船、载运危险货物的船舶
D. 都是
A. 增加卫星远距离AIS(LAIS)
B. 地面VHF频段数据交换
C. LRIT船舶远程识别及跟踪系统
D. 星地VHF频段数据交换业务(VDE)
A. 交通运输部
B. 海事管理机构
C. 市级以上地方人民政府港口主管部门
D. 港口集团
A. 相对速度小,持续时间长
B. 相对速度小,持续时间短
C. 相对速度大,持续时间长
D. 相对速度大,持续时间短
A. 6GHZ
B. 8GHZ
C. 12GHZ
D. 18GHZ
A. Instruction: The recipient has to follow this message unless there is contradictory safety reasons which have to be reported to the sender.
B. Advice: The decision whether to follow it stays with the recipient, but one should consider it very carefully.
C. Warning: The recipient of a warning should pay immediate attention to the danger mentioned. Consequences of a warning will be up to the sender.
D. Information: Consequences of an information will be up to the recipient.
A. 遵守交叉局面条款
B. 有两艘船在本船右舷的船给其他两艘船让路
C. 这是一种特殊情况,应执行责任条款
D. 遵守对遇局面条款
A. 闪点
B. 流动水分点
C. 适运水分限
D. 临界压力
A. exchange procedure: This applies when two or more stations achieve communication with each other.
B. Broadcast procedure: Broadcast procedure applies when a station transmits without expecting a response from any other station or a station transmits without knowing if a response from another station will be received or not.
C. distress communication procedure : A ship or aircraft is threatened by grave and imminet danger ,and requests immediate assistance. A distress message is marked by Mayday.
D. Urgency communication procedure: The station sending it has a very urgent message to transmit concerning the safety of a ship, aircraft or other vehicle, or the safety of a person. An urgency message is marked by Pan-Pan .
E. Safety communication procedure : The station sending it has a message to transmit containing an important navigational or meteorological warning . A safety message is marked by Securite.
A. safety signal
B. urgency signal
C. distress signal
D. red alter signal