MA1读出器RS232兼容输出16个ASCII字符每个ASCII字符代表4个2进制位的16进制数，因此整个输出相当于64个二进制位。-MO read-compatible RS232 output 16 ASCII characters ASCII characters each represent four of the two 16-band band, and therefore the entire output equivalent to 64-bit binary.

哈弗曼编码 利用二叉树来设计二进制的前缀编码，从根结点到叶子结点的路径上分支字符组成的字符串作为该叶子结点字符的编码。-huffman coding

二维码的编译，实现对文字及字符的选择及对二进制编译成十进制-Implement the choice of words and characters and the binary compiled into a decimal