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- 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
