您要查找的是不是：
- 数 to count
- 行数 linage
- 页数 pagination
- control problem. The designed implementation of a hardware and software system which results from the analysis of a
- 有数 know exactly about sth.
- 数位 digital
- [+problem，task] 面临某事 to be confronted with sth
- 数个 couple
- [+task，problem] 把某事提交给 to refer sth to
- 为数 amount to
- bottleneck problem (瓶颈问题) 薄弱环节问题
- 可数名词 countable
- [+problem，difficulty] 绕过某事 to get round sth
- 份数 umber
- [(problem)+] 是件（令某人）头痛的事 to be a headache (for sb)
- 数数 spillikin
- 和数 summation
- 模数 modulus
- 频数 frequence
- 记数 numeration
