你可以通过子问题的局部最优方案从而得到全局优化解决方案。
You can get a globally optimal solution from locally optimal solutions to sub-problems.
使用更简单的子问题重新定义答案。
有时候，编写递归程序时难以获得更简单的子问题。
Sometimes when writing recursive programs, finding the simpler sub-problem can be tricky.
一个问题的最优解能够用原始问题的子问题的最优解构造得到。
An optimal solution to the problem could be constructed from optimal solutions to subproblems of the original problem.
下面三个值分别对应着我在前面列出的三个递归子问题返回的值。
The three values below correspond, respectively, to the values returned by the three recursive subproblems I listed earlier.
但是清单1的代码效率不高，因为它重复地解决相同的递归子问题。
But Listing 1's code is inefficient because it solves some of the same recursive subproblems repeatedly. For example, consider the computation of fibonacci1 (5), represented in Figure 1.
然后将这些子问题发布给工作节点，由它处理后再将结果返回给主节点。
These subproblems are then distributed to worker nodes, which solve the problem and return the results to the master node.
在每个示例中，都会比较两个序列，而且将使用二维表格存储子问题的解。
In each example you'll somehow compare two sequences, and you'll use a two-dimensional table to store the solutions to subproblems.
使用更小的或更简单的子问题(或多个子问题)来重新定义答案。
Redefine the answer in terms of a smaller or simpler sub-problem or sub-problems.
子问题是这样：“搜索字符串是否与这个节点中的字符串相同？”
The sub-problem is this: "Is the search string the same as the one in this node?"
设计模式强迫您考虑将问题分割成分立的子问题，其中有一些可以利用可重复解决方案来解决。
Design patterns force you to think about slicing your problems into discrete sub-problems, some of which may leverage repeatable solutions.
在可以使用递归，但因为递归重复解决相同的子问题造成效率低下的时候，则可以采用动态编程。
Dynamic programming is used when recursion could be used but would be inefficient because it would repeatedly solve the same subproblems.
映射是指把大量输入处理成更小的子问题集(然后把这些子问题分发给并行的工作系统)。
Map refers to the process of chopping input into a smaller set of sub-problems for processing (where these sub-problems are distributed to parallel workers).
接下来，要实现与递归算法中递归子问题对应的情景，但这时使用的是表格中已经填充的值。
Next, you implement what corresponds to the recursive subcases in the recursive algorithm, but you use values that you've already filled in. In Figure 4, I've filled in about half of the cells.
不过，使用归纳定义的(inductively- defined)数据集可以令子问题的获得更为简单。
Dealing with inductively-defined data sets, however, makes finding the sub-problem considerably easier.
divide - and - conquer算法也可用于顺序环境中，但是在并行环境中更加有效，因为可以并行处理子问题。
Divide-and-conquer algorithms are often useful in sequential environments but can become even more effective in parallel environments because the subproblems can often be solved concurrently.
但国际社会在京都，在哥本哈根都曾试图通过一揽子解决问题，不过两次都失败了。
But the world has twice, at Kyoto and at Copenhagen, tried to deal with the problem in one go, and failed.
另一个潜在问题是内部子查询中CUST_ORDER_HEADER (COHE)表引用上的本地谓词(见图9)。
Another potential problem is the local predicate on the table reference CUST_ORDER_HEADER (COHE) in the inner sub-query (see also in Figure 9).
我们发现，了解新的方法可以帮助我们学习新的处理特定问题的技术、调整子流程，或者从新工具中获得一些启发。
We find that understanding new methodologies can help us learn new techniques for dealing with specific issues, adapt a subprocess, or get ideas for a new tool.
每个中央子团队与本地存储库副本协作以求得最优性能，并因此避开所有与临时WAN或Internet性能有关的问题。
Each central sub-team location works with a local copy of the repository for optimal performance and thus can bypass any issues related to temporal WAN or Internet performance.
每个问题解决子流程的输出都是一个标志，指示对事务进行了什么处理。
The output of each issue-resolution subprocess is a flag indicating what has been done to the transaction.
为了应对这一问题，传统媒体和网络新媒体有必要联合起来在全球范围内寻找一揽子解决方案。
I think both traditional media and new online media need to cooperate in finding a global, comprehensive solution to this problem.
关于你的第二个问题，我们刚刚收到伊朗方面的一揽子建议，正在认真研究。
On your second question, we have just received Iran's new package of proposals and are studying it.
如果发生这种情况，病人可能一辈子都会有腕关节炎问题。
If this occurs a patient can have life-long problems with arthritis of the wrist.
我不断的进行子分解，直到得到简单的问题，然后我再把它们合并回去。
I just kept sub-dividing down until I got really easy problems, and then I combine them back.
在国内问题上，他倾向一揽子刺激方案，而非回到自民党的大开销路线。
On domestic matters, he favours a stimulus package, but opposes a return to the LDP's big-spending ways.
如果由于系统检测到问题而发起转储，那么stat子命令的输出将包含标题为CRASHINFORMATION的部分。
If a dump was initiated because the system detected a problem, then the output of the stat subcommand contains a section titled CRASH INFORMATION.
那就是说，通用汽车公司的问题很清晰：沉重的债务、过多的经销商和子品牌、过高的劳动力成本以及庞大的养老金负担。
That said, GM has well-known problems: too much debt, too many dealers and brands, high Labour costs, and crippling liabilities to pensioners.
那就是说，通用汽车公司的问题很清晰：沉重的债务、过多的经销商和子品牌、过高的劳动力成本以及庞大的养老金负担。
That said, GM has well-known problems: too much debt, too many dealers and brands, high Labour costs, and crippling liabilities to pensioners.
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