国际技术贸易的划分标准是以当事人的国籍来划分的。（）

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。

顺汇、逆汇

联合国的《国际标准行业分类》把国民经济划分为（ ）个门类。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

顺汇和逆汇有何区别？

顺汇和逆汇的划分标准是（）。