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

• The Lower Liaohe River Plain, in Panjin city Liaoning province, has plenty of Quaternary brine resources, with the huge exploitation potential.
  辽宁省盘锦市辖区内的下辽河平原储藏了丰富的第四纪卤水资源，开采潜力巨大，有必要对其进行特征分析和资源评价。
• 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。
• 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
• At the same time, the standard Quaternary stratigraphic system of the North China Plain had been established on the basis of previous study.
  与此同时，结合前人的研究成果，建立了华北平原第四纪地层的标准模式地层层系。
• 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 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。
• 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。
• Active Characteristics Study of Major Faults in the Subei Region in the Late Quaternary
  肃北地区主要断裂晚第四纪活动特征研究
• 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。
• 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