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。
• 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。
• To make the designs more historically accurate, Mr. Lasher drew inspiration from historic 17th-and 18th-century French buildings, giving the homes for French 1710 carved stone details such as niches, balconies, and keystones, along with slate roofs.
  为使设计的历史细节更精确，拉舍从17世纪和18世纪的法国历史建筑中吸取灵感，在French1710的住宅中运用了壁龛、阳台、拱心石和石板屋顶等石雕细节。
• 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。
• 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 face of this change, the agricultural mechanization, which is closed to the development of agricultural product and economy, should change its direction, service fields and keystones in work.
  作为与农业生产和农村经济发展密不可分的农业机械化，面对农业结构的战略性调整、农产品市场的逐步扩大开放和全球经济一体化的挑战，必须及时调整自己的发展方向、服务领域和工作重点。
• 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。
• 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。
• The research keystones of copper electroless plating were presented.
  提出了化学镀铜今后的研究重点。