- 二进制 èrjìnzhì binary systembinary numeric system; the base-two counting method used in computing that employs only the digits 0 and 1
- 二进宫 èrjìngōng Erjin GongThe name of a famous traditional Peking opera; the title literally means 'entering the palace for the second time'.
- 二进制数字 èrjìnzhìshùzì binary digita digit used in binary notation, either zero or one
- 二进制编码 èrjìnzhìbiānmǎ binary codebinary code; binary encoding
- 十二进法 shí'èrjìnfǎ duodecimal systemA base-12 numbering system where each unit is twelve times the size of the one to its right.
- 二进位元 èrjìnwèiyuán bita binary digit, the basic unit of information in computing and telecommunications
- 二进制位元 èrjìnzhìwèiyuán bitbinary digit or unit of information in computing and telecommunications