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
BNC.29261 / COCA.40079
英英释义
noun
- the cardinal number that is the sum of three and one
adj
- coming next after the third and just before the fifth in position or time or degree or magnitude
- the quaternary period of geologic time extends from the end of the tertiary period to the present
- consisting of or especially arranged in sets of four
- quaternate leaves
- a quaternary compound
双语例句
- 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 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。 - 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 - 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。 - 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。 - 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。 - 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。 - The silt in the Yellow River Delta mainly belongs to the quaternary deposits.
黄河三角洲粉土主要为第四纪散河流堆积物。 - 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。 - In this paper experiments of image segmentation on Quaternary strata are made on RS image by morphologic methods.
利用数学形态学的方法对遥感影像的第四系地层进行了影像分割实验。