日出之前，日落以后，在阳光反射下，卷云常呈鲜明的（）或（）。

北半球日出日落太阳方位角的变化规律。

GPS气象学可分为地基GPS气象学和空基GPS气象学。

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。

根据《民用航空飞行气象情报发布与交换办法》，编辑公报时，未收到的飞行气象情报编为（）

气象气候谚语有哪几方面的内容？

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.

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。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。