backtracking
美 [ˈbækˌtræk] 
英 ['bæk.træk]
- v.走回头路；改变过去的意见[主张]
- 网络回溯；回溯法；回溯类
词形变化
第三人称单数：backtracks 现在分词：backtracking 过去式：backtracked 同义词
英汉解释
英英解释
例句
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。
At this point, the atomic group will kick in. The engine will discard all backtracking positions.
此时，最小组团就发挥作用了：正则引擎会放弃所有回溯位置。
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 .
就象我所说的，在整个故事中有不少的“倒带”的把戏，也许会让不少观众感到困惑，但却对主线非常的重要。
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。
However, the firm is now backtracking and has changed the wording of its original advertisement.
然而，IBM已经收回前言，改变了原始广告的措辞。
The company is backtracking from its more expensive plans.
这家公司在逐步放弃种种耗资较大的计划。
To help you catch runaway backtracking early, always test your regexes with long strings that contain partial matches.
为帮助你早日把握回溯失控，总是用包含特殊匹配的长字符串测试你的正则表达式。
in an unfamiliar climbing area , take extra care when locating crabs , backtracking if necessary , or asking locals for approach beta.
在不熟悉的区域，要更加小心确认自己的位置，必要时多询问当地的攀岩者，或者是退回原处重新找路。
"Dingle-dork, " Ronnie muttered to himself, then started backtracking up the grade.
“这个乳臭未干的傻瓜，”罗尼一边小声嘀咕着，一边再次拾级而上。
Speaking generally, European governments have been disappointed by Obama's backtracking on Israeli settlement expansion.
基本上，欧洲各国一直很失望奥巴马在以色列扩建犹太人定居点一事上的退缩。
Tuesday's expected announcement is certain to be welcomed by green groups though they will fear further backtracking in years to come.
预期中的财政部公告肯定会受绿色团体的欢迎，尽管他们担心财政部会在未来的几年内反悔。
Next up is a deeper look into a key feature of the matching process in step 3: backtracking.
接下来我们深入剖析第三步中匹配过程的关键点：回溯。
So far, there's no risk of runaway backtracking, despite the nested * quantifiers.
到目前为止还没有回溯失控的危险，尽管遇到了嵌套量词*。
He spent much of Tuesday backtracking but still calling for corporate titans to take responsibility for grievous errors in judgment.
他周二花了很多时间改变言论，但还是要求公司巨头们为判断上的严重错误承担责任。
This secures the end of the dart. Backtracking can also be used to secure the end of the dart.
这样可保证省道终端不松散。加固缝也可用来缉缝省道总端。
Of course, the planet really isn't backtracking; it just looks as though it is.
当然，它并不是真的倒退运行了，只是看起来如此而已。
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。
A double-star combination like (a|b*)* is a sure-fire recipe for catastrophic backtracking.
像（a|b*）*这样的双星号组合，是灾难式回溯的保证。
The Opposition NDP used question period Thursday to attack the Liberals for backtracking on the deal with the veterans.
反对党新民主党周四期间使用的问题，攻击就处理回溯与退伍军人的自由党。
A special backtracking is used to automatically correct some errors happened in forward tracking. A trace figure of the c. . .
一种特殊的后向追踪可以修改和纠正前向追踪里出现的错误，并以轨迹图的方式显示最后的追踪结果。
The company is backtracking from its more expensive plans.
这家公司在逐步放弃种种耗资较大的计划。
Once identified, you can develop new procedures that reduce backtracking and eliminate or reduce delays and repetitive tasks.
一旦确定，就可以开发新的程序，减少回溯和消除或减少延误和重复的任务。
More skeptical dissidents quickly dismissed the report, given Myanmar's history of flirting with reform and then backtracking.
对缅甸前景持更为怀疑态度的异见人士迅速否定了这种看法，因为缅甸有拿改革当儿戏然后出尔反尔的历史。
The backtracking algorithm suffers from massive computational time when solving large scale N-Queens problem.
应用回溯法求解规模较大的N皇后问题时，时间开销巨大。
Provides information about how regular expression backtracking branches to find alternative matches.
提供关于正则表达式回溯如何分支以查找替换的匹配方面的信息。
The backtracking itself is a good approach for obtaining all the possible solutions.
回溯本身是一种获得目标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.
要使这套提案通过十分艰难，但是如果欧洲改变主意，将削弱美国的努力。
and performing backtracking at the bifurcation position and performing decoded output according to the backtracking result.
在所述分叉位置进行回溯，并根据回溯的结果进行译码输出。
The journal format also allows us the luxury of backtracking and watching our own process of discovery and understanding.
日志的格式还能让我们快乐地回顾、审视自己的理解与发现之旅。
Regex monstrosities that do everything in one pattern are difficult to maintain, and are prone to backtracking-related problems.
在一个模板中完成所有工作的正则表达式怪兽很难维护，而且容易引起回溯相关的问题。
Put on the brakes and prepare yourself for some backtracking as this eclipse sends a signal that you need to exercise self-restraint.
刹车，准备好原路返回，因为这次月食显示你需要自我克制。
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。
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。
By mapping the process, you can identify inefficient backtracking, delays, and repetitive tasks.
映射的过程中，您可以识别低效回溯，拖延，重复的任务。
In the constitution of backtracking algorithm, the solution space tree has the massive redundant solutions.
回溯法构成的解空间树中存在着大量的重复解，降低了搜索的效率。
Backtracking only happens when something is unambiguously wrong in a lookahead.
只有当向前查找过程中发生明显错误时，才会进行回溯。
In these cases, it is necessary to control carefully the backtracking courses of searching for goals and problem-solving.
在这些情况下，必须仔细控制目标搜索求解的回溯过程。
backtracking law enforcement investigations in order to counter organized smuggling networks effectively.
鼓励会员国开展追踪执法调查，有效打击有组织偷运网络。
N-Queens Problem is a NP problem. Its common solution is backtracking.
N皇后问题是NP难题，一般求解的方法为回溯法。
Using backtracking from the GPS and mapping software works well.
在GPS和地图软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.
如果您不可能通过回溯发现任何可认识的地标，那么留在原地。
