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 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。
• The research keystones of copper electroless plating were presented.
  提出了化学镀铜今后的研究重点。
• 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 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。
• The purpose of evaluating environmental management risk is to confirm the keystones of auditing. This paper discusses countermeasure, which includes collectivity auditing strategies and material auditing contents.
  评估环境管理风险是为了确定审计的重点，文章从总体审计策略和具体审计内容两个方面探讨了审计人员针对环境管理风险采取的应对措施。
• 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 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。
• 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。
• 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。
• 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。