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

• When you go to bed and when you get up are keystones to restful, refreshing sleep.
  何时睡觉和何时起床是获得使人休息充分、精神焕发的睡眠的关键。
• 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。
• 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。
• 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。
• In this thesis the architecture arrangement follows the software engineering, firstly the system requirement is analysed, then the system architecture is designed, the particularize design shows the detail logic in the system, in the end some keystones in programming is listed.
  本文从软件工程的角度安排文章结构，先对系统进行需求分析，接下来进行系统总体架构的设计，通过详细设计给出系统具体的实现逻辑，接着对系统实现过程中重点问题进行了讲解。
• The influence research of the leadership is one of the keystones of the science of leadership, the factors restricting the formation and play of the leadership influence and how to enhance the efficacy and influence is one of the keystones of the both theoretical and practical leading research.
  领导影响力研究一直是领导科学研究中的一个重点内容，制约领导影响力形成和发挥的因素以及如何提高领导影响力，最终提高领导效能是领导理论和实践研究的核心内容之一。
• The research of unsaturated soil will be one of the keystones in geotechnical engineering range in twenty-first century.
  非饱和土的研究将是二十一世纪岩土界研究的重点之一。
• In new time, how academic library developing information service with new ideas, new points and new technology and how document information service developing quickly in transform are the keystones of the paper.
  在新的时期，高校图书馆如何以新观念、新视角、新技术开展信息服务工作，而文献信息服务工作又如何在变革中迅速发展，是本文探讨的重点。
• On the basis of analyzing the actuality of New Energy Industry, this paper points its advantages and disadvantages, and then forecasts its developing keystones with some practical countermeasures offered.
  本文在分析了宁波新能源产业发展现状的基础上，指出了该产业发展的优势与困难，展望了今后的发展重点，并提出了可行性的保障措施。