北半球日出日落太阳方位角的变化规律。

黑体在半球空间，各个方向上的定向辐射强度（）。

辐射力是指单位时间内单位表面积向半球空间所有方向发射的（）波长的辐射能

辐射力指单位时间、单位表面积向半球空间所有方向发射的全部波长的辐射能

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。

普朗克定律揭示了黑体光谱辐射力按（）变化的分布规律。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。