32.某港图水深基准面在平均海面下294cm,潮高基准面在平均海面下306cm,预计潮高300cm,港图上码头水深5.4m,则该港的实际水深为()。

A. 　信息收集

B. 　信息传递

C. 　信息反馈

D. 　信息理解

A. 　三个相互垂直的平面构成的“角反射器”

B. 　锥形物体

C. 　圆柱形物体

D. 　球形物体

A. 　船舶降速明显

B. 　由反向横移变成向操舵一侧正向横移

C. 　船舶出现外倾并逐渐减小

D. 　船舶旋回变缓

A. 　操纵单元

B. 　报警单元

C. 　信号与通信单元

D. 　雷达单元

A. 　在国际海运危险货物规则(IMDG规则)中分类的货物

B. 　在MARPOL公约附则II中定义的有毒液体物质

C. 　在MARPOL公约附则Ⅴ中定义的船舶垃圾

D. 　在船舶安全运输放射性原子能燃料、钚及高放射性废料规则(INF)中规定的放射性物质。

A. 　确定性

B. 　不确定性

C. 　可能性

D. 　预估

A. 　 Traffic clearance

B. 　 VTS clearance

C. 　 VTS order

D. 　 Special clearance

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. 　主机换向所需时间及倒车功率之大小

B. 　排水量、船速沿体所受阻力

C. 　风、流的方向、大小

D. 　航道浅窄、污底程度

A. 　国内外商船

B. 　军用船舶

C. 　公务船舶

D. 　都正确