（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

Banks have no liability for any delay or loss caused by postal or telex failure.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

水平叠加地震时间剖面是如何形成的？为什么要进行地震资料室内处理？

地震勘探按照有效波类型分（）地震法、（）地震法和（）地震法三种。反射波地震勘探，首先用人工方法使（）形成地震波，地震波遇到岩层（）时，会产生（）成反射波.反射波到达地表时，引起地表的（）.检波器把地表的（）转换成（），通过电缆把电振动输送到数字地震仪器里，记录在磁带上的，这就成为（）地震记录。对数字磁带地震记录，用电子计算机进行地震资料（），得到各种时间剖面，再对时间剖面进行地震资料（）并根据解释的结果做出工程设计，完成地震勘探。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。