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

• 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。
• 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。
• The environmental appraisal of construction projects has two system and environment management have two keystones in our country for a long time.
  长期以来，我国对建设项目实行环境影响评价和三同时两项制度，建设项目环境管理工作有环保审批和竣工验收两个重点。
• 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；
• 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 research keystones of copper electroless plating were presented.
  提出了化学镀铜今后的研究重点。
• 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。
• 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。
• 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。
• Introduced general situation of city agriculture in Hangzhou, explored the keystones and service model of agro-mechanization in city agriculture, put forward 6 sides of work to be done well in the future.
  介绍了杭州都市农业发展规划概况，指出要正确定位农机化在服务都市农业中的重点，探索了农机化在都市农业中的服务模式，提出今后农机化服务都市农业要做好6个方面的工作。