keystones

英 [ˈkiːstəʊnz]

美 [ˈkiˌstoʊnz]

n.  拱顶石; (计划、论据的)主旨，基础
keystone的复数

柯林斯词典

• 拱顶石
  Akeystoneis a stone at the top of an arch, which keeps the other stones in place by its weight and position.
• N-COUNT （政策、体系或进程的）基础，主旨
  Akeystone ofa policy, system, or process is an important part of it, which is the basis for later developments.
  1. Keeping inflation low is the keystone of their economic policy.
     将通货膨胀率保持在较低水平是他们经济政策的主旨。

双语例句

• The rapid development of China economy raises higher requirements and challenges on the demanding of financing concerning railway construction and railway transportation equipment. Therefore, the promotion of railway investment and financing reform becomes one of the keystones for China Railways.
  我国经济的快速发展对铁路建设和铁路运输装备的融资需求提出了更高的要求和挑战，推进铁路投融资体制改革成为我国铁路的一项重点任务。
• This paper dealt with the basic requirements of environmental protection and the general condition of environmental ceramic materials at home and abroad. Keystones were laid upon the comprehensive application and development of several environmental ceramic materials in respect of reducing pollution and consumption.
  介绍了环境保护的基本要求和国内外环境陶瓷材料的基本情况，重点针对几种环境陶瓷材料在降低污染和消费方面的应用及发展。
• This paper utilizes the contrast research and the general character research to lay a strong emphasis on discussing these two works backgrounds, writing techniques, and performance keystones.
  本文同时运用对比研究和共性研究，重点探讨了这两部作品的有关创作背景资料、具体创作手法与演奏要点这三个方面。
• According to the characteristics of the cardiovascular hospital, we analyzed the difficulties and keystones of the control of the control of the quality of the medical record.
  根据心胸血管疾病为重点的综合性医院的特点，分析病案质量控制的重点和难点。
• And the keystones are the structure and the algorithm of the system.
  重点介绍了泄漏系统的算法及结构。
• Combined with software engineering method, this article introduces the function, developing method and design procedure for receiving software of remote sensing satellite receiving system. Keystones of software development in different phases are also provided;
  结合软件工程化的方法，详细介绍了遥感卫星接收系统接收软件的功能、开发方法、接收软件的设计过程，以及在不同阶段软件开发的重点；
• The purpose of evaluating environmental management risk is to confirm the keystones of auditing. This paper discusses countermeasure, which includes collectivity auditing strategies and material auditing contents.
  评估环境管理风险是为了确定审计的重点，文章从总体审计策略和具体审计内容两个方面探讨了审计人员针对环境管理风险采取的应对措施。
• The keystones and difficulties for every chapter are proposed, and the testing system is constructed in the courseware.
  此课件总结了各章的重点内容和难点内容，并建立了自测系统，为学生学习和掌握本门课程提供了较好的条件。
• The mensuration and calculation of transpiration and evaporation of plants are now the keystones in plant physiology.
  植物的蒸腾与蒸发（蒸散）速率的测定和计算方法是目前植物生理生态学的研究重点，但目前的常规方法，都无法区分蒸腾与蒸发。
• Real-time industrial control system is one of the hotspot problems of present research, among which production data collection methods and the stability and high effect of production data distribution system are keystones of research.
  工业实时监控系统是目前研究的热点问题之一，其中生产数据采集的方法和生产数据发布系统的稳定和高效更是研究的重点。