- date back to
- trace back to
- 回溯: recall; look back upon
- 到: 39
- 回溯到,起源于…从…开始: date from
- 回溯: recall; look back upon 回溯战争年代 look back upon the years of war; 回溯法 backtracking method; 回溯操作 back tracking operation; 回溯集 retraceable set; 回溯验证 back forecasting
- 追溯到,上溯到: date back to
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