quaternary number

例句：

1. 1.The quaternary group is responsible for managing the company's finances.
   四分体组负责管理公司的财务。
2. 2.Quaternary numbers are used to represent the fourth power of a number.
   四分体数用来表示一个数的四次方。
3. 3.The quaternary group has been working on a new project for the past few months.
   四分体组在过去几个月一直在忙于一个新项目。