厄尔尼诺，其缩写为ENSO，是大尺度的（）现象，它在全球尺度上影响生态学系统，是当今世界关注的重大问题。

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.

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 （）.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

全球变化的主要时间尺度可以用五个不同的时段，其中几千年至几十万年的中等时间尺度变化是全球变化研究的重点。（）

信息政策比信息法规具有更强的可操作性。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。