（）, 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.

语言发展的不平衡性

简述语言发展的不平衡性。

为什么说语言发展演变在地域土的不平衡性是一种语言分化出不同的方言和亲属语言的重要原因？

社会的分化是产生地域方言或亲属语言的社会原因，语言发展的不平衡性是产生地域方言和亲属语言的语言内部原因。

为什么语言发展演变在地域上的不平衡性是一种语言分化出不同的方言或亲属语言的重要原因？

如何理解语言发展的不平衡性？

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。