quaternary怎么读/quaternary的发音
quaternary的音标：英[kwəˈtɜːnəri] 美[ˈkwɑtərˌnɛri]
英： 美：
quaternary是什么意思
a. 四个一组的, 四元的, 四价的, 季的
[计] 四进制的, 四元的
n. last 2 million years
quaternary的用法和双语例句
1. The Quaternary sediments are largely undeformed.
第四纪的沉积物大部分未变形。
2. Cationics are usually quaternary ammonium salts.
阳离子表面活性剂通常为季铵盐类。
3. A great many proteins, especially enzymes, are oligomeric and consequently possess quaternary structure.
很多蛋白质尤其是酶类，是低聚物，因此拥有四级结构。
4. The natural thermoluminescence in Quaternary sediment has stored accumulated irradiated dose since the sediment deposited.
第四纪沉积物的天然热释光中储存有自沉积以来的累积辐射剂量。
5. Woolly mammoths died out during the late Quaternary period.
猛犸象在第四纪晚期灭绝了。
6. Industries based on brainwork or knowledge are called the quaternary industry.
以脑力劳动或知识为基础的产业被称为第四产业。
7. The quaternary period of geologic time extends from the end of the tertiary period to the present.
地质时期中的第四纪是从第三纪一直到现在。
8. This method does not produce or require the handling of corrosive quaternary ammonium hydroxides.
这一方法不产生或不要求处理腐蚀性的季铵氢氧化物。
9. The quaternary structure was classified using support vector machine method and Bayes method.
用支持向量机和贝叶斯两种方法对蛋白质四级结构进行分类研究。
10. The glacier influence of Quaternary Period affect soil development obviously.
土壤发育受第四纪冰川影响明显，成土年龄短。