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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

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 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。
  • 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。
  • 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。
  • 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
  • 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
  • An antistatic agent of polyacrylamide quaternary ammonium compound was designed and synthesized.
    设计合成了聚丙烯酰胺季铵盐类的抗静电剂。
  • 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。
  • 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。
  • 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