keystone

英 [ˈkiːstəʊn]

美 [ˈkiːstoʊn]

n.  拱顶石; (计划、论据的)主旨，基础

复数：keystones　

IELTS

BNC.21380 / COCA.17516

牛津词典

noun

• 拱顶石
  the central stone at the top of an arch that keeps all the other stones in position
• （计划、论据的）主旨，基础
  the most important part of a plan or argument that the other parts depend on

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。

英英释义

noun

• the central building block at the top of an arch or vault
  Synonym:keyheadstone
• a central cohesive source of support and stability
  1. faith is his anchor
  2. the keystone of campaign reform was the ban on soft money
  3. he is the linchpin of this firm
  Synonym:anchormainstaybackbonelinchpinlynchpin

双语例句

• Currently, revitalizing the commerce railway system has been included in the program of'urban rebirth'as a keystone.
  目前，重振铁路商业已列入“都市再生”计划，并作为一个重点。
• It can obtain these parameters from Keystone, as well.
  也可以从Keystone中获得这些参数。
• Our product is combined Chinese's religion keystone and modern technologies.
  本产品是依据中国宗教的原理与现代科技研发而成。
• One additional service of Keystone is the service catalog used for end point discovery.
  Keystone的一个附加服务是用于端点发现的服务目录。
• Each Keystone function supports back-end plug-ins for integration into heterogeneous environments and to expose diverse functionality.
  每个Keystone功能都支持用于集成到异构环境并展示不同功能的后端插件。
• Annotation is the keystone of the knowledge representation of any natural language processing ( NLP) research.
  标注集是任何自然语言处理研究中的知识表达基础。
• Based on it, compared with overseas researchful status of MICE tourism, the paper further discusses the intending researchful keystone and direction of MICE tourism.
  在此基础上，对比国外会展旅游研究状况，进而探讨了会展旅游未来的研究重点和方向。
• The public life in Shanghai alley and pedestrian streets is the keystone of the study.
  人们在上海弄堂和步行街中的公共生活，是本文研究的重点。
• Keystone is to study the maneuverability and how to cut out the management technology to reduced cost, achieve the management targets of project in the middle and small software development enterprise.
  重点研究可操作性和管理技术如何裁剪使管理成本降低，达到中小软件开发企业项目管理目标。
• How to construct terrain models and their texture is a research keystone.
  方便、有效地建立地形模型及其纹理是地形景观研究的重点。