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 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。
• 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。
• 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
• Based on the analysis of the late Cenozoic stratigraphy, neotectonic topography and the structures of Quaternary in the region, the present paper studies the neotectonic characteristics of the region systematically.
  通过对晚新生代地层、构造地貌及第四系内褶皱和断层的综合分析，阐述了区内新构造活动特征。
• 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 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
• Quaternary Geosciences and Human Survival
  第四纪地球科学和人类生存
• 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。
• 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