2) necessary safety function
必要安全功能
3) Functional essentials
功能性必要条件
4) necessity and function
必要性和功能
5) Main Function
主要功能
1.
It introduces the definition of CBD and generalizes the basic characters of it,represents the develop history and present situation of internal CBD,discusses the main function of CBD and the mistake existing in the construction of internal CBD,and puts forward the future direction of the construction of internal CBD,to accelerate the construction of CBD of our nation.
介绍了CBD的定义,概括了CBD的基本特征,阐述了国内外CBD的发展历史及现状,探讨了CBD的主要功能和国内CBD建设中存在的误区,并提出了国内CBD建设的未来之路,以促进我国的CBD建设。
2.
The paper expounds the conference audio and video system of emergency command center from the constitution, the main function and design of the system.
本文从应急指挥中心的会议声像系统的组成、系统的主要功能、系统的设计以及设计中应注意的问题等几方面,对应急指挥中心的会议声像系统做出了论述。
3.
It includes four parts such as its definition, types, motivations and main functions.
文章分以下四个部分 :一、汉英混合语码的定义 ;二、类型 ;三、生成原因 ;四、主要功
6) functional requirements
功能要求
1.
This paper introduces in detail the criteria for choice of shape and position tolerance for shaft parts,on the basis of geometrical features and functional requirements of parts, and the synthetic effects of its usage,technology and economic results.
以轴为例,结合零件的几何特性和功能要求,考虑到零件使用性、工艺性和经济性的综合效果,详细分析了确定形位公差时公差项目、公差数值、基准和公差原则的选择方法。
2.
According to the application characteristics of the security and defense technology for intelligent residential quarters, this paper provides a comprehensive description from the aspects of the implementation of related specifications, design concept and essential functional requirements.
本文针对智能化住宅小区安防的使用特点,从相关规范的执行、设计理念、主要功能要求等方面进行了较全面的阐述。
补充资料：必要
不可缺少；非这样不行：开展批评和自我批评是十分～的ㄧ为了集体的利益，～时可以牺牲个人的利益。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条