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.

通过理论和实践经验的总结，综合治水原则为（），因地制宜，综合治理。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

科学研究的实践伦理原则有哪些？

科学研究的实践性伦理原则包括（）

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

有效实施综合实践活动课程要遵循哪些原则？

综合实践活动的实施必须遵循哪些原则？