Idea & Concept Design 意念及概念设计
VFS is also like UNIX's "everything is a file" concept, in that it's easy to understand and imitate the idea, but it might take years to appreciate how much it simplifies application design.
VFS 和 UNIX 的“一切均是文件”的概念也很相似，因为这个想法很容易理解和模仿，但是要意识到它能将应用程序设计简化到哪种程度，还需要花几年工夫。
The concept and idea of reliability of system has been accepted in the design and analysis of building structures, but its calculation is a difficult point all the while.
在建筑结构的设计与分析中，结构体系可靠度的概念和思想已日益为人们所接受，但它的计算却一直是一个难点问题。
The basic concept and principle of protective relaying and fault information system and the idea of its design are presented.
文章介绍了继电保护及故障信息系统的基本概念、原理和设计思想。
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