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 study of the glacial interglacial paleoproductivity evolution during late Quaternary in the bay of Bengal
  孟加拉湾晚第四纪冰期和间冰期古生产力演变研究
• Research on the Quaternary fine-fraction lithofacies and sedimentation model in Tainan Area, Qaidam Basin
  柴达木台南地区第四系细粒沉积岩相与沉积模式研究
• Based on the binary mono-stable flip-flops, this paper proposes the design of quaternary mono-stable flip-flops.
  在二值单稳态触发器设计的基础上，提出了四值单稳态触发器的设计方案。
• 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。
• 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。
• With the uplift and Quaternary climate change, the Yulong mountain engendered four plaeoglaciations and has grown modern glaciers.
  在山体上升和第四纪气候变化的背景下，玉龙山产生了四次更新世冰川作用，并发育有现代冰。
• The quaternary period of geologic time extends from the end of the tertiary period to the present.
  地质时期中的第四纪是从第三纪一直到现在。
• Research Progress in Preparation of Chitosan Quaternary Salts and Their Application
  壳聚糖季铵盐的制备与应用研究进展
• The equilibrium phase diagram and the density-composition diagram of the quaternary system were plotted using experimental data.
  依据实验测定的平衡溶解度数据及对应的平衡固相，绘制了该四元体系的平衡相图及其密度-组成图。