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
- 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。 - The results show that the quaternary ammonium cationic group of the modified products can better treat perchlorate in water.
结果表明,改性产物表面的季铵阳离子基团能较好地吸附废水中的高氯酸根; - 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 - 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。 - 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 equilibrium phase diagram and the density-composition diagram of the quaternary system were plotted using experimental data.
依据实验测定的平衡溶解度数据及对应的平衡固相,绘制了该四元体系的平衡相图及其密度-组成图。 - Quaternary Geosciences and Human Survival
第四纪地球科学和人类生存 - Organic complexes of montmorillonite were prepared by modifying montmorillonite with certain quaternary ammonium.
对无机膨润土进行了聚胺改性,得到有机复合膨润土。 - 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。 - 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。
