keystone

noun

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

1. 拱顶石
   A keystone is a stone at the top of an arch, which keeps the other stones in place by its weight and position.
2. N-COUNT （政策、体系或进程的）基础，主旨
   A keystone of a 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。

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。
2. We recognize that keystone has been caught up in political gridlock in this country.
   我们知道Keystone项目已在美国陷入了政治僵局。
3. 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。
4. A keystone endpoint accepts two types of credentials: a token or a user name and password.
   keystone端点接受两种类型的凭据：令牌，或者用户名和密码。
5. 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。
6. It can obtain these parameters from Keystone, as well.
   也可以从Keystone中获得这些参数。
7. One of keystone's primary functions is to serve as a service catalog.
   keystone的主要功能之一就是充当服务目录。
8. Note that keystone and nova use slightly different variable names in their client initializer methods, so I define separate functions for each.
   请注意，keystone和nova在其客户端初始化器方法中使用了稍微不同的变量名，所以我为每个工具定义了不同的函数。
9. Administrative functions in Keystone define users and projects and assign the appropriate authorization.
   Keystone中的管理功能定义了用户和项目，并分配了适当的授权。
10. Presently the study keystone of the technique is how to improve its accuracy and sensitiveness to measure.
    目前对该技术的研究重点是如何提高它的测试准确性和灵敏度。
11. Nowadays, biosorbents become the hotspot and keystone of the researches on treating heavy metals and POPs.
    目前，生物吸附剂已成为处理重金属和持久性有机污染物研究的热点和重点。
12. 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。
13. 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。
14. 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。
15. Industry is the soul of business and the keystone of prosperity.
    勤劳是事业的灵魂和成功的基石。
16. HTTPS is the keystone of Internet security and privacy.
    HTTPS现在是互联网安全和隐私保护的基石。
17. It takes the moral selection as a core and the innovative ability& the development of practical ability as a keystone.
    选择教育以道德选择为核心，以创新精神和实践能力的培养为重点，而人的全面和谐发展是选择教育的最根本理念。
18. 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。
19. 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。
20. The keystone of this paper was to establish and calibrate and validate these four new modules.
    本文的研究重点是建立和验证新增的四个模块。
21. As the classic adjacent exits and entrances, weaving areas are the keystone and difficulty of traffic study.
    交织区作为典型的相邻出入口，是交通领域研究的重点和难点。
22. Japan's co-operation was the keystone in developing the regional agreement.
    日本的合作是发展地区和睦的基础。
23. A pointed arch; usually has a joint ( instead of a keystone) at the apex.
    一种尖角拱；在顶点通常有一个接合点（而不是拱心石）。
24. In this paper, the general situation of mountain ecosystem was briefly introduced and the effects of keystone populations on the degraded ecosystem were discussed.
    简要介绍了岷江上游山地生态系统的概况，讨论了关键种群在退化生态系统研究中的作用和意义。
25. 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。
26. 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。
27. By this problem of the counteracted system, the keystone on jamming counteraction is analyzed and the primary factors which affect the counteracted capability are discussed.
    针对对消系统面临的这一问题，分析了干扰对消的基本原理，并对影响对消性能的主要因素进行了深入探讨。
28. We hope to see you become a keystone of the intellectual community.
    我们希望看到你们成为知识界的一块拱顶石。
29. That is the ideal condition that I need, its keystone lies in the experience.
    这才是我想要的理想状态，它的重点是一种体验。
30. Social justice is the keystone of their political program.
    社会公平是他们政治纲领的基本原则。

noun

1. the central building block at the top of an arch or vault

   Synonym:    keyheadstone

2. 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