1. backtrack什么意思

1. 回溯：对此,G.Parisi提出一种复杂回溯(backtrack)算法,而作者在sp中加入简单回溯,也使一部分此类问题得到解决. (共6页)

2. backtrack在线翻译

2. 反退：backscatter 反向散射 | backtrack 反退 | backward acceleration 后向加速度

3. 返回：backswordman 使用单刃刀者 | backtrack 返回 | backup browsers 备份浏览器

4. 撤退：0117 Field of Nine Digital Edition 2001 九局战场 数位版2001 SPG SLG 64 | 0118 Backtrack 撤退 FPS 32 | 0119 orita Shogi Advance 森田将棋 TAB 32

1. 改变（说法、决定等）；出尔反尔
    If you backtrack on a statement or decision you have made, you do or say something that shows that you no longer agree with it or support it.

    e.g. The committee backtracked by scrapping the controversial bonus system...
           委员会改变主意，放弃了有争议的奖金制度。
    e.g. The finance minister backtracked on his decision.
           财政部长收回了他的决定。

2. 原路返回
    If you backtrack, you go back along a path or route you have just used.

    e.g. Leonard jumped in his car and started backtracking...
           伦纳德跳进车里，开始原路折返。
    e.g. We had to backtrack to the corner and cross the street.
           我们不得不原路返回到拐角处过街。

3. 倒回（描述或解释内容）
    If you backtrack in an account or explanation, you talk about things which happened before the ones you were previously talking about.

    e.g. Can we just backtrack a little bit and look at your primary and secondary education?
           我们能不能回过头来谈谈你的小学和中学教育？

1. retrace one''s course

    e.g. The hikers got into a storm and had to turn back

    Synonym: turn backdouble back