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
- 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 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。 - 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。 - With the uplift and Quaternary climate change, the Yulong mountain engendered four plaeoglaciations and has grown modern glaciers.
在山体上升和第四纪气候变化的背景下，玉龙山产生了四次更新世冰川作用，并发育有现代冰。 - 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。 - 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 - 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 - 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 - Geochemical characteristics of the Miocene eolian deposits and comparison with the Pliocene and quaternary eolian deposits
中新世风尘堆积的地球化学特征及其与上新世和第四纪风尘堆积的比较 - 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。