2) Concepts and essence
概念与本质
4) On the Essence of Generic Sentence and Concept
概称句本质与概念
5) basic concept
基本概念
1.
A new clarification of basic concepts on roll-layout design of straight-arc type caster;
直弧形连铸机辊列设计中基本概念的最新阐述
2.
Defects in basic concepts of quantities and units in CIHAI(new edition);
新版《辞海》在量和单位基本概念方面存在的问题
6) basic concepts
基本概念
1.
Aiming at the confusing basic concepts in the pipeline risk assessment,the authors define some basic terms such as safety,risk,oil & gas pipeline risk,pipeline failure modes,risk assessment,risk analysis,risk management, risk estimate, risk control and risk decision-making etc.
针对管道风险评价中容易混淆的基本概念进行了研究,对油气管道安全、管道失效形式、风险评价、风险分析、风险管理、风险评估、风险控制及风险决策等基本概念进行了定义,建立了管道风险分析模型和定量风险评价体系模型与流程,旨在对这些基本概念进行完善与统一,以利于管道风险评价工作的开展。
2.
In this paper several electric examples are quoted to show the importance of employing mathematic concepts to explain basic concepts and theories of electric circuit.
本文以若干电路概念为例,说明数学概念对解释电路基本概念与基本理论的意义,希望起到抛砖引玉的作用。
3.
By definition of modern cost accounting contents,the author points out the way to improve cost accounting, puts out views on developing cost accounting in respect of establishing cost accounting assumption,defining precisely its basic concepts and re-assorting and reflecting expenditure elements.
通过对现代成本会计内容的界定 ,指出了完善和发展成本会计的方向 ,并就建立成本会计假定、准确界定成本会计的一些基本概念、重新分类反映成本构成要素等方面来完善和发展成本会计发表了看
补充资料：本质映射
本质映射
essential mappng
本质映射[.皮刘间..月，甩;ey叫eeTaea一oe oTo6一a-狱e朋el 把拓扑空间x映成闭单形r”的连续映射f，使得在集合f一’(于·\尹)的所有点上和f相同的任何连续映射关:x~于”都是映成整个于·的映射.例如，把于”映成自身的恒等映射是本质映射.【补注】本质映射用来刻画正规空间的夜盖维数(见维数(山庄猫沁n)).正规空间(nom词sPa以治)的概盖维数)n的充要条件是:存在一个把该空间映成”维闭单形尹的本质映射.
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