（）的辐射换热为两物体间的有效辐射之差。

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。

气象上称太阳辐射为（）辐射，地面和大气辐射为（）辐射。

黑体表面的有效辐射（）对应温度下黑体的辐射力。

形成辐射雾的气象条件是（）。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

地面辐射差额最大时，地面温度最高。（）