quaternary

英 [kwəˈtɜːnəri]

美 [ˈkwɑtərˌnɛri]

adj.  季; 第四纪的; 四进制的；四元的；四价的
n.  四; 四个一组

计算机

BNC.29261 / COCA.40079

英英释义

noun

• the cardinal number that is the sum of three and one
  Synonym:four4IVtetradquaternquaternionquaternityquartetquadrupletfoursomeLittle Joe

adj

• coming next after the third and just before the fifth in position or time or degree or magnitude
  1. the quaternary period of geologic time extends from the end of the tertiary period to the present
  Synonym:fourth4th
• consisting of or especially arranged in sets of four
  1. quaternate leaves
  2. a quaternary compound
  Synonym:quaternate

双语例句

• Geochemical characteristics of the Miocene eolian deposits and comparison with the Pliocene and quaternary eolian deposits
  中新世风尘堆积的地球化学特征及其与上新世和第四纪风尘堆积的比较
• The orebody occurred below Quaternary, mineralization is closely related to tectonic activity and alteration.
  矿体赋存于第四系之下，矿化与构造活动及蚀变密切相关。
• These supply a new information for the evolution of the Qinghai-Tibet Plateau lakes, climate change research and the division and correlation of the Quaternary strata.
  为青藏高原湖泊演化、气候环境变迁研究及第四纪地层的划分与对比提供了新资料。
• The classification, naming and field description are introduced of the Tertiary and Quaternary rocks from monitoring shaft hole.
  介绍了井简检查孔第三、四系岩土的分类、定名和野外描述。
• Progress and problems of Quaternary glaciation and loess study in the midwestern United States
  美国中西部第四纪冰川与黄土研究的进展和问题
• Quaternary sector of the economy: Involves the research and development needed to produce products from natural resources.
  第四纪的经济部门：涉及的研究和发展生产所需的自然资源。
• Quaternary Geosciences and Human Survival
  第四纪地球科学和人类生存
• Four new types of organic siloxane surfactants with quaternary ammonium group have been obtained.
  通过多步骤合成了四种含有季铵基的有机硅表面活性剂。
• In this paper experiments of image segmentation on Quaternary strata are made on RS image by morphologic methods.
  利用数学形态学的方法对遥感影像的第四系地层进行了影像分割实验。
• The Quaternary is also characterized by the emergence of the environment.
  第四纪也以人类的出现和人类开始对环境的改造为标志。