v.原路返回; 折回; 折返; (屈于壓力而)改變聲明(或主張)，出爾反爾; 退縮
backtrack的現(xiàn)在分詞

現(xiàn)在分詞：backtracking

柯林斯詞典

VERB 改變（說法、決定等）；出爾反爾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.The committee backtracked by scrapping the controversial bonus system...委員會(huì)改變主意，放棄了有爭議的獎(jiǎng)金制度。

The finance minister backtracked on his decision.財(cái)政部長收回了他的決定。

VERB 原路返回If you backtrack, you go back along a path or route you have just used.Leonard jumped in his car and started backtracking...倫納德跳進(jìn)車?yán)?，開始原路折返。

We had to backtrack to the corner and cross the street.我們不得不原路返回到拐角處過街。

VERB 倒回（描述或解釋內(nèi)容）If you backtrack in an account or explanation, you talk about things which happened before the ones you were previously talking about.Can we just backtrack a little bit and look at your primary and secondary education?我們能不能回過頭來談?wù)勀愕男W(xué)和中學(xué)教育？

雙語例句

Leonard jumped in his car and started backtracking 倫納德跳進(jìn)車?yán)?，開始原路折返。

Layering, layouts, backtracking, and styling are all trivial in Seaside. 分層、布局、回溯和樣式在Seaside中是家常便飯。

It also has a method to determine the next child node to consider after backtracking. 它還使用一種方法判斷在返回后下一個(gè)要進(jìn)行猜測的子節(jié)點(diǎn)。

Depth-first search is an algorithm for searching a tree structure starting from an initial node and exploring as far as possible along a branch until either the goal node or a dead end is reached before stopping or backtracking. 深度優(yōu)先搜索將從一個(gè)初始節(jié)點(diǎn)開始搜索一個(gè)樹形結(jié)構(gòu)，并盡可能從一個(gè)分支開始搜索，在到達(dá)目標(biāo)節(jié)點(diǎn)或分支的盡頭后停止或回溯。

In this column, you've seen how rules can be used as part of a hybrid approach that also includes search with backtracking. 在本專欄中，您了解了如何在包含搜索和回溯功能的混合方法中使用規(guī)則。

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解析器可以確保找到每一個(gè)可能的產(chǎn)品，但可能會(huì)非常慢，因?yàn)橐l繁地（指數(shù)級(jí)）進(jìn)行回溯。

But backtracking on such reforms would indeed be a huge mistake, as the eurogroup and IMF argue. 但就像歐元集團(tuán)和IMF所主張的那樣，逆轉(zhuǎn)此類改革將是一個(gè)巨大錯(cuò)誤。

And he has avoided the accusation that he is backtracking on his commitment to fiscal responsibility. 與此同時(shí)，他也讓人們難以再指責(zé)他背棄了自己對(duì)于財(cái)政責(zé)任的承諾。

Eight queens problem is an ancient and well-known problem, backtracking algorithm is a typical example. 八皇后問題，是一個(gè)古老而著名的問題，是回溯算法的典型例題。

In a large storage area, the use of tunnels and cross aisles reduces travel time and minimizes backtracking. 在一個(gè)大型的存儲(chǔ)區(qū)域，使用隧道和跨過道減少旅行時(shí)間和最大限度地減少回溯。

A backtracking algorithm has been suggested to solve the issue of maximizing credit rewards. 并應(yīng)用回溯算法求解信度收益最大化問題。

The engine will discard all backtracking positions. 引擎會(huì)忽略所有的回溯位置。

According to the "surplus character", a" surplus heuristic backtracking "strategy is put forward by improving the efficiency of backtracking greatly. 根據(jù)選管工藝的余料特性，提出了余料啟發(fā)式回溯的求解策略，大大地提高了回溯效率。

In the constitution of backtracking algorithm, the solution space tree has the massive redundant solutions. 根據(jù)空間節(jié)點(diǎn)之間的鉸鏈關(guān)系，提出了基于空間樹的六自由度空間模型。

To help you catch runaway backtracking early, always test your regexes with long strings that contain partial matches. 為幫助你早日把握回溯失控，總是用包含特殊匹配的長字符串測試你的正則表達(dá)式。

Each time the regex finds an intermediate tag and exits a lookahead, it throws away all backtracking positions from within the lookahead. 正則表達(dá)式每次找到一個(gè)中間標(biāo)簽就退出一個(gè)前瞻，它在前瞻過程中丟棄所有回溯位置。

The backtracking base construction is an important foundation for the reference room to realize the modernization of book management. 回溯建庫工作是圖書資料部門實(shí)現(xiàn)圖書管理現(xiàn)代化的重要基礎(chǔ)。

In graph theory, to getting shortest path must compare all possible path, basically use backtracking, the Algorithm needs longer time. 在圖論中，一般求最短路徑都是通過比較各種可能的路徑后而得到的，基本上都是按樹的回溯方式求得。

This next example shows how backtracking works with repetition quantifiers. 下一個(gè)例子顯示了帶重復(fù)量詞的回溯。

That's one reason for this chapter's lengthy backtracking coverage. 這也是本章長篇大論回溯的原因之一。

Algorithm for backtracking control strategies 回溯控制策略的算法

The Bad: Action elements are sometimes poorly implemented with lots of backtracking; characters can level unevenly. 缺點(diǎn)：（戲的）作規(guī)則有時(shí)候在許多回溯進(jìn)程上會(huì)執(zhí)行的不徹底（翻譯，需要懂行的、過的朋友指正）角色的等級(jí)不平衡。

Canonical LR Parsing Algorithm Based on State Backtracking Technique 基于狀態(tài)回朔技術(shù)的規(guī)范LR分析算法

Backtracking techniques can be encoded by fairly short solution programs. 回溯演算法可以寫成很短的解題程式。

This paper presents an automatic verification method for possible software defects based on finite backtracking symbolic execution. 本文提出一種基于有限回溯符號(hào)執(zhí)行的軟件疑似缺陷自動(dòng)驗(yàn)證方法。

Of course, the planet really isn't backtracking; it just looks as though it is. 當(dāng)然，它并不是真的倒退運(yùn)行了，只是看起來如此而已。

However, backtracking is computationally expensive and can easily get out of hand if you're not careful. 然而，回溯計(jì)算代價(jià)昂貴，如果你不夠小心的話容易失控。

You know we don't like backtracking. 我們可不想再跑回去搬你的垃圾了。

Effects of Cut Mechanisms on Backtracking in Visual Prolog VisualProlog截?cái)鄼C(jī)制對(duì)回溯的作用機(jī)理

Implementing Fast Searching and Selective Backtracking in LP Environments LP環(huán)境下快速搜索與選擇回溯的實(shí)現(xiàn)