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

• 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。
• As the keystones of this paper, the integration of the one-dimensional and two-dimensional stable water quality model with GIS, the dynamic water environment capacity calculation and the water environment quality evaluation are discussed in detail.
  着重探讨了一维、二维稳态水质模型与GIS的集成研究、动态水环境容量计算和水环境质量评价。
• 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。
• 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。
• The influence research of the leadership is one of the keystones of the science of leadership, the factors restricting the formation and play of the leadership influence and how to enhance the efficacy and influence is one of the keystones of the both theoretical and practical leading research.
  领导影响力研究一直是领导科学研究中的一个重点内容，制约领导影响力形成和发挥的因素以及如何提高领导影响力，最终提高领导效能是领导理论和实践研究的核心内容之一。
• 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。
• 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。
• According to the characteristics of the cardiovascular hospital, we analyzed the difficulties and keystones of the control of the control of the quality of the medical record.
  根据心胸血管疾病为重点的综合性医院的特点，分析病案质量控制的重点和难点。
• 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。
• 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。