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

• The backtracking base construction is an important foundation for the reference room to realize the modernization of book management.
  回溯建库工作是图书资料部门实现图书管理现代化的重要基础。
• That's one reason for this chapter's lengthy backtracking coverage.
  这也是本章长篇大论回溯的原因之一。
• 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。
• 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。
• In graph theory, to getting shortest path must compare all possible path, basically use backtracking, the Algorithm needs longer time.
  在图论中，一般求最短路径都是通过比较各种可能的路径后而得到的，基本上都是按树的回溯方式求得。
• Each time the regex finds an intermediate tag and exits a lookahead, it throws away all backtracking positions from within the lookahead.
  正则表达式每次找到一个中间标签就退出一个前瞻，它在前瞻过程中丢弃所有回溯位置。
• In a large storage area, the use of tunnels and cross aisles reduces travel time and minimizes backtracking.
  在一个大型的存储区域，使用隧道和跨过道减少旅行时间和最大限度地减少回溯。
• This next example shows how backtracking works with repetition quantifiers.
  下一个例子显示了带重复量词的回溯。
• Eight queens problem is an ancient and well-known problem, backtracking algorithm is a typical example.
  八皇后问题，是一个古老而著名的问题，是回溯算法的典型例题。
• Layering, layouts, backtracking, and styling are all trivial in Seaside.
  分层、布局、回溯和样式在Seaside中是家常便饭。