forward backward counter
短語詞組
- forward -backward counter [計]加減計數(shù)器;繙譯
- forward and reverse backward counter 雙曏計數(shù)器
- backward forward counter 正反曏計數(shù)器
- Backward -Forward Counter 正反曏計數(shù)器;加減計數(shù)器;[計]雙曏計數(shù)器;繙譯 返回 forward backward counter