Seismic signals are stored digitally in binary code. 地震信号是以二进制编码的数字形式储存的。
A binary code in which sequential numbers are represented by binary expressions, each of which differs from the preceding expression in one place only. 一种二进制编码，其中顺序的数采用二进制表达式，每一个表达式仅在一位上和它前一个数的表达式不同。
