国际重复征税产生的原因是什么？

国际双重征税产生的最重要原因是（）。

为什么说对具体财产征税不会产生国际双重征税问题？

法律性国际双重征税的原因有（）。

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。

国际双重征税产生的主要原因是有关国家征税权的交叉与重叠，这种税收管辖权的重叠主要形式有（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。