... 一一映射:one-one mapping 一一序列:one to one sequence 一一平坦环:faithfully flat ring ...
双语例句
1
It will save considerable machining time to use more than one tool in one machine to perform several machine operations either in sequence or simultaneously.
在一台机器上使用数种刀具来顺次或同时进行几项机器操作,将节省大量加工时间。
《新英汉大辞典》
2
Notice that none of the Numbers S1, S2,..., S30 could possibly be equal toone another (Gary takes at least one workout every day, so the sequence is strictly increasing).