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

• Quaternary Geosciences and Human Survival
  第四纪地球科学和人类生存
• 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。
• 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。
• Study on Synthesis and Properties of Multi Quaternary Ammonium Surfactant
  多季铵盐表面活性剂合成与性能研究
• 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。
• 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。
• 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。
• 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
• 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。
• 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