| 释义 |
quaternaries是quaternary的复数 - adj.【地】第四纪[系]的；四个一组的；由四部份组成的；第四的
- n.【地】第四纪；【数】四进制；四个一组的东西；第四组组成部分
- 网络季铵盐类
n. | 1. the fourth member of a set 2. the current period of geologic time, beginning 1.6 million years ago and characterized by the appearance and dominance of humans | adj. | 1. consisting of four parts, or occurring in sets of four 2. bonded to four other nonhydrogen atoms or groups of atoms, or containing atoms bonded in this way |
1. | 季铵盐类 (2). 三大生物杀菌剂种类：卤素化合物 (halogenated compounds)、无机化合物和季铵盐类(quaternaries)，占将近 55% 总市场 … cdnet.stpi.org.tw |
释义: 第四纪[系]的,四个一组的,由四部份组成的,第四的,第四纪,四进制,四个一组的东西,第四组组成部分,季铵盐类 |