现代农业气象的重点任务包括：健全与发展现代农业气象观测系统，加强农业气象地面观测与（）的有机结合。

大气对太阳辐射有（）、（）和（）作用，使到达地面的太阳辐射通量密度减小。

被辐射的物体表面单位面积上的辐射通量为（）。

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。

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。