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。 - Quaternary Geosciences and Human Survival
第四纪地球科学和人类生存 - 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 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。 - 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。 - This discovery provides important data and evidence for establishing the climatic stratigraphic sequence and division and correlation of the Quaternary glacial period on the Qinghai-Tibet plateau.
为青藏高原建立气候地层层序、第四纪冰期划分对比提供了重要的实际资料和依据。 - 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。 - 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 - 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
