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

• 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。
• 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。
• 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。
• 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
• 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 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。
• 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。
• 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
• This discovery provides important data and evidence for establishing the climatic stratigraphic sequence and division and correlation of the Quaternary glacial period on the Qinghai-Tibet plateau.
  为青藏高原建立气候地层层序、第四纪冰期划分对比提供了重要的实际资料和依据。
• 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。