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

• 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。
• 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。
• 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。
• 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 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。
• 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。
• 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。
• 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。
• 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。
• 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；