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

• 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。
• Several polyoxyethylene type quaternary ammonium salt cationic surfactants were selected to investigate their interaction with acid dyes and influence on the dyeing properties.
  摘要选择了几种聚氧乙烯型季铵盐阳离子表面活性剂，探讨了这些表面活性剂与酸性染料的相互作用以及对染料染色性能的影响。
• Sprinkler section valve Those correspond to Quaternary, Pliocene, Upper Miocene, Lower Miocene and Eocene respectively.
  喷水灭火系统分段阀分别为第四系、上新统、中新统上段、中新统下段及始新统。
• The silt in the Yellow River Delta mainly belongs to the quaternary deposits.
  黄河三角洲粉土主要为第四纪散河流堆积物。
• 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。
• Results indicated that organic bentonite could be prepared firstly by Na-modification and then by quaternary ammonium treatment.
  研究表明，采用天然钙基膨润土通过钠化提纯、季铵盐有机改性的方法，可以制备出性能优良的有机膨润土。
• 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。
• 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
• 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 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。