试述刘河间玄府气液说的主要学术内容及其临床指导价值。

学习中医各家学说，主要要掌握（）的学术思想。临床经验。

学习中医各家学说，主要要掌握（）的学术思想，临床经验。

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。

玄府气液说

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

精气学说作为一种自然观，奠定了中医学理论的基石。