（）, 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。

一个次数大于0的本原多项式g（x）在Q上可约，那么g（x）可以分解成两个次数比g（x）次数低的本原多项式的乘积。

一个次数大于0的整系数多项式f（x）在Q上可约，那么f（x）可以分解成两个次数比f（x）次数低的什么多项式的乘积。（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。