为什么说历史比较语言学在语言学史上地位十分重要？

什么叫做“历史比较法”？在汉语史的研究中怎样应用历史比较法？历史比较法的主要缺点是什么？

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。

为什么说梁启超是中国史学史的奠基人？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

设计塑件时，为什么既要满足塑件的使用要求，又要满足塑件的结构工艺性？