Number use数字运用numbern.号码；数量；数字v.总计；编号；编号；把 ... 算作number of heat transfer unit传热单元数Number controlled processing数控加工number files in serial order把档案按顺序编上号number of change of polarity极性转换次数number of equivalent options等价选项个数number representation system数制,记数系统Number of newspapers to code进行编码的报纸数目Number of times of operation操作次数number theory transformation数论变换number of longitudinal feeds纵向进给量种数