哪个民族是中国唯一一个海滨渔业少数民族，也是中国唯一的海洋民族？（）

尺寸链中封闭环的基本尺寸，是其它各组成环基本尺寸的代数差。

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, 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.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

用来唯一确定项目工作分解结构的每一个单元的是()

是用来唯一确定项目工作分解结构的每一个单元的。

两个共点力可以合成一个合力，一个力也可以分解为两个分力，结果都是唯一的。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。