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

• 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。
• 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 validity research of the leading behavior is one of the keystones of the organizational behavior research.
  领导行为有效性研究一直是组织行为研究中的一个重点内容。
• 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。
• 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。
• Government information integration and sharing is one of the keystones in e-government development.
  政务信息的集成共享是电子政务系统发展的重点之一。
• In the subject system, ecological monitoring and investigation are the basis, ecological engineering and ecological restoration are the keystones.
  学科体系中生态监测与调查是基础，生态系统健康及生态评价是关键，生态工程与生态恢复是重点。
• One of the keystones of the paper is image fusion algorithm based on pixel level and feature level.
  本文研究的一个重点是像素级和特征级的图像融合算法。
• This scheme puts great emphasis on the solution of the difficulties and keystones of performance management, namely post analysis, performance assessment and salary management.
  本方案着重研究解决绩效管理中的难点、重点，即岗位分析，绩效考评，薪酬管理。