backtracking

美 [?bæk?træk] 　英 ['bæk.træk]

• v.走回頭路；改變過去的意見[主張]
• 網(wǎng)絡回溯；回溯法；回溯類

詞形變化

第三人稱單數(shù)：backtracks  現(xiàn)在分詞：backtracking  過去式：backtracked  

同義詞

英漢解釋

v.	1. 走回頭路;改變過去的意見[主張]

英英解釋

v.	1. to go back in the direction from which you have come 2. to change your intentions, so that you become less willing or less likely to do something that you said you would do 3. to return to a subject you were discussing before

例句

However, backtracking is computationally expensive and can easily get out of hand if you're not careful.

然而，回溯計算代價昂貴，如果你不夠小心的話容易失控。

At this point, the atomic group will kick in. The engine will discard all backtracking positions.

此時，最小組團就發(fā)揮作用了：正則引擎會放棄所有回溯位置。

As I said, there's a lot of backtracking in the story, which may serve to confuse some but is really important to the storyline .

就象我所說的，在整個故事中有不少的“倒帶”的把戲，也許會讓不少觀眾感到困惑，但卻對主線非常的重要。

Each time the regex finds an intermediate tag and exits a lookahead, it throws away all backtracking positions from within the lookahead.

正則表達式每次找到一個中間標簽就退出一個前瞻，它在前瞻過程中丟棄所有回溯位置。

However, the firm is now backtracking and has changed the wording of its original advertisement.

然而，IBM已經(jīng)收回前言，改變了原始廣告的措辭。

The company is backtracking from its more expensive plans.

這家公司在逐步放棄種種耗資較大的計劃。

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式。

in an unfamiliar climbing area , take extra care when locating crabs , backtracking if necessary , or asking locals for approach beta.

在不熟悉的區(qū)域，要更加小心確認自己的位置，必要時多詢問當?shù)?/c>的攀巖者，或者是退回原處重新找路。

"Dingle-dork, " Ronnie muttered to himself, then started backtracking up the grade.

“這個乳臭未干的傻瓜，”羅尼一邊小聲嘀咕著，一邊再次拾級而上。

Speaking generally, European governments have been disappointed by Obama's backtracking on Israeli settlement expansion.

基本上，歐洲各國一直很失望奧巴馬在以色列擴建猶太人定居點一事上的退縮。

Tuesday's expected announcement is certain to be welcomed by green groups though they will fear further backtracking in years to come.

預期中的財政部公告肯定會受綠色團體的歡迎，盡管他們擔心財政部會在未來的幾年內(nèi)反悔。

Next up is a deeper look into a key feature of the matching process in step 3: backtracking.

接下來我們深入剖析第三步中匹配過程的關鍵點：回溯。

So far, there's no risk of runaway backtracking, despite the nested * quantifiers.

到目前為止還沒有回溯失控的危險，盡管遇到了嵌套量詞*。

He spent much of Tuesday backtracking but still calling for corporate titans to take responsibility for grievous errors in judgment.

他周二花了很多時間改變言論，但還是要求公司巨頭們為判斷上的嚴重錯誤承擔責任。

This secures the end of the dart. Backtracking can also be used to secure the end of the dart.

這樣可保證省道終端不松散。加固縫也可用來緝縫省道總端。

Of course, the planet really isn't backtracking; it just looks as though it is.

當然，它并不是真的倒退運行了，只是看起來如此而已。

Eight queens problem is an ancient and well-known problem, backtracking algorithm is a typical example.

八皇后問題，是一個古老而著名的問題，是回溯算法的典型例題。

A double-star combination like (a|b*)* is a sure-fire recipe for catastrophic backtracking.

像（a|b*）*這樣的雙星號組合，是災難式回溯的保證。

The Opposition NDP used question period Thursday to attack the Liberals for backtracking on the deal with the veterans.

反對黨新民主黨周四期間使用的問題，攻擊就處理回溯與退伍軍人的自由黨。

A special backtracking is used to automatically correct some errors happened in forward tracking. A trace figure of the c. . .

一種特殊的后向追蹤可以修改和糾正前向追蹤里出現(xiàn)的錯誤，并以軌跡圖的方式顯示最后的追蹤結(jié)果。

The company is backtracking from its more expensive plans.

這家公司在逐步放棄種種耗資較大的計劃。

Once identified, you can develop new procedures that reduce backtracking and eliminate or reduce delays and repetitive tasks.

一旦確定，就可以開發(fā)新的程序，減少回溯和消除或減少延誤和重復的任務。

More skeptical dissidents quickly dismissed the report, given Myanmar's history of flirting with reform and then backtracking.

對緬甸前景持更為懷疑態(tài)度的異見人士迅速否定了這種看法，因為緬甸有拿改革當兒戲然后出爾反爾的歷史。

The backtracking algorithm suffers from massive computational time when solving large scale N-Queens problem.

應用回溯法求解規(guī)模較大的N皇后問題時，時間開銷巨大。

Provides information about how regular expression backtracking branches to find alternative matches.

提供關于正則表達式回溯如何分支以查找替換的匹配方面的信息。

The backtracking itself is a good approach for obtaining all the possible solutions.

回溯本身是一種獲得目標所有可能解的良好方法。

Getting the package through will be hard; but any backtracking in Europe will undermine America's efforts.

要使這套提案通過十分艱難，但是如果歐洲改變主意，將削弱美國的努力。

and performing backtracking at the bifurcation position and performing decoded output according to the backtracking result.

在所述分叉位置進行回溯，并根據(jù)回溯的結(jié)果進行譯碼輸出。

The journal format also allows us the luxury of backtracking and watching our own process of discovery and understanding.

日志的格式還能讓我們快樂地回顧、審視自己的理解與發(fā)現(xiàn)之旅。

Regex monstrosities that do everything in one pattern are difficult to maintain, and are prone to backtracking-related problems.

在一個模板中完成所有工作的正則表達式怪獸很難維護，而且容易引起回溯相關的問題。

Put on the brakes and prepare yourself for some backtracking as this eclipse sends a signal that you need to exercise self-restraint.

剎車，準備好原路返回，因為這次月食顯示你需要自我克制。

This next example shows how backtracking works with repetition quantifiers.

下一個例子顯示了帶重復量詞的回溯。

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。

By mapping the process, you can identify inefficient backtracking, delays, and repetitive tasks.

映射的過程中，您可以識別低效回溯，拖延，重復的任務。

In the constitution of backtracking algorithm, the solution space tree has the massive redundant solutions.

回溯法構成的解空間樹中存在著大量的重復解，降低了搜索的效率。

Backtracking only happens when something is unambiguously wrong in a lookahead.

只有當向前查找過程中發(fā)生明顯錯誤時，才會進行回溯。

In these cases, it is necessary to control carefully the backtracking courses of searching for goals and problem-solving.

在這些情況下，必須仔細控制目標搜索求解的回溯過程。

backtracking law enforcement investigations in order to counter organized smuggling networks effectively.

鼓勵會員國開展追蹤執(zhí)法調(diào)查，有效打擊有組織偷運網(wǎng)絡。

N-Queens Problem is a NP problem. Its common solution is backtracking.

N皇后問題是NP難題，一般求解的方法為回溯法。

Using backtracking from the GPS and mapping software works well.

在GPS和地圖軟件中使用返程模式倒挺方便的。

If you can't find any recognizable landmarks by backtracking , stay put.

如果您不可能通過回溯發(fā)現(xiàn)任何可認識的地標，那么留在原地。