您要查找的是不是：
- 数 to count
- 行数 linage
- 页数 pagination
- 有数 know exactly about sth.
- character sets,添加新的字符集 Character sets, Adding a New Character Set
- 数位 digital
- character sets,数据和排序用字符集 Character sets, The Character Set Used for Data and Sorting
- 数个 couple
- 最要注意的是退出字符（escape character). The thing that's absolutely essential to note is the escape character.
- 为数 amount to
- 可数名词 countable
- 份数 umber
- 数数 spillikin
- 和数 summation
- 模数 modulus
- 频数 frequence
- 记数 numeration
- 层数 number of plies
- 维数 dimension
- 中位数 median
