The base of a system of numbers, such as2 in the <em>binary</em> system and10 in the decimal system.
基数数字系统的基数，如2是二进制的基数，10是十进制的基数
A binary-coded decimal code for representing decimal numbers in which each decimal digit is represented by seven <em>binary</em> digits which are coefficients of 8,6,4,2,0,1,0, respectively.
用于表示十进制数的一种二进制编码的十进制码，其中每位十进制数用七位二进制数来表示，它们分别是8,6,4,2,0,1和0的系数。
In digital signal technique, a signal that uses a positive(or negative) excursion and ground as the two <em>binary</em> signal states.
在数字信号技术中，用正(或负)向电压与地两个电平来表示二进制“1”和“0”的一种信号
