backtracking

英 [ˈbæktrækɪŋ]

美 [ˈbæktrækɪŋ]

v.  原路返回; 折回; 折返; (屈于压力而)改变声明(或主张)，出尔反尔; 退缩
backtrack的现在分词

现在分词：backtracking　

计算机

COCA.43330

柯林斯词典

• VERB 改变（说法、决定等）；出尔反尔
  If youbacktrack ona statement or decision you have made, you do or say something that shows that you no longer agree with it or support it.
  1. 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。
  2. The finance minister backtracked on his decision.
     财政部长收回了他的决定。
• VERB 原路返回
  If youbacktrack, you go back along a path or route you have just used.
  1. Leonard jumped in his car and started backtracking...
     伦纳德跳进车里，开始原路折返。
  2. 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。
• VERB 倒回（描述或解释内容）
  If youbacktrackin an account or explanation, you talk about things which happened before the ones you were previously talking about.
  1. 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？

双语例句

• You know we don't like backtracking.
  我们可不想再跑回去搬你的垃圾了。
• According to the "surplus character", a" surplus heuristic backtracking "strategy is put forward by improving the efficiency of backtracking greatly.
  根据选管工艺的余料特性，提出了余料启发式回溯的求解策略，大大地提高了回溯效率。
• Effects of Cut Mechanisms on Backtracking in Visual Prolog
  VisualProlog截断机制对回溯的作用机理
• For example, top-down parsers are guaranteed to find every possible production, but can be extremely slow because of frequence ( exponention order) backtracking.
  例如，top-down解析器可以确保找到每一个可能的产品，但可能会非常慢，因为要频繁地（指数级）进行回溯。
• In this column, you've seen how rules can be used as part of a hybrid approach that also includes search with backtracking.
  在本专栏中，您了解了如何在包含搜索和回溯功能的混合方法中使用规则。
• But backtracking on such reforms would indeed be a huge mistake, as the eurogroup and IMF argue.
  但就像欧元集团和IMF所主张的那样，逆转此类改革将是一个巨大错误。
• Implementing Fast Searching and Selective Backtracking in LP Environments
  LP环境下快速搜索与选择回溯的实现
• Leonard jumped in his car and started backtracking
  伦纳德跳进车里，开始原路折返。
• However, backtracking is computationally expensive and can easily get out of hand if you're not careful.
  然而，回溯计算代价昂贵，如果你不够小心的话容易失控。
• It also has a method to determine the next child node to consider after backtracking.
  它还使用一种方法判断在返回后下一个要进行猜测的子节点。