求翻译：《语言学概论》这本书主要介绍语言学的基础理论，了解语言的性质、功能以及它的结构。掌握语言的现状、变化以及一般的发展规律。它是一门多边缘、多层次的立体性学科。它和社会科学、自然科学、思维科学都有着紧密的联系。在交叉科学日益发展的今天，语言学显得越发重要。是什么意思？

"Linguistics" This book introduces the basic theory of linguistics, to understand the nature of language, functions and its structure. Master the language of the current status, and general law of development. It is more than one edge, multi-level three-dimensional discipline. It and the social scie