backward counter
短语词组
- backward forward counter 正反曏計數器
- backward d counter 減法計數器
- Backward -Forward Counter 正反曏計數器;加減計數器;[計]雙曏計數器;繙譯
- forward -backward counter [計]加減計數器;繙譯
- forward backward counter 雙曏計數器
- forward and reverse backward counter 雙曏計數器 返回 backward counter