（）, 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。

《中药鉴定学》对植物类药材进行分类的依据是

企边桂

企边桂为

肉桂中的企边桂是

执业药师资格考试科目包括药学（中药学）专业知识（一）、药学（中药学）专业知识（二）、（）、（）4个科目。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

中药鉴定学的任务不包括（　　）。