binary system
noun
1
- a system in which information can be expressed by combinations of the digits 0 and 1二进制信息编码系统, 二进数制。
2
- a system consisting of two parts二元系统, 二元体制：
the binary system of state and public schools.
由公立学校和私立学校构成的双轨制。
2.1
- Astronomy a star system containing two stars orbiting around each other【天文】双重星系。