狭义的农业科技革命：在（）、（）和（）的状态下，通过农业科技的重大创新而实现农业科技质的变革

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 （）.

在农业推广中，进行农业科技知识宣传普及活动，宣传科技种田、科技致富，可以增强农民的科技观念。这是（）观点。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

科技论文的摘要有哪些写作要求？如何写好科技学位论文的摘要？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。