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
- Quaternary Geosciences and Human Survival
第四纪地球科学和人类生存 - 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 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 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。 - 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 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。 - 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 - 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 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 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。