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。
• 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。
• 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。
• 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。
• 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。
• 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。
• 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。
• The keystones are six principles and the effective patterns in the sustainable development of the theme park.
  通过重点挖掘主题园内部所蕴涵六大原理，本文探讨了几种主题园可持续发展模式并将其运用于世博园的可持续发展之中。
• 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。
• 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。