Based on stepwise optimization strategy, this method separates the multicycle optimization problem into two sub problems: simplified multicycle optimization and single cycle optimization.

利用分步决策的优化策略，多循环优化可以分解为一个两步优化问题。

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You can get a globally optimal solution from locally optimal solutions to sub-problems.

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。

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Redefine the answer in terms of a smaller or simpler sub-problem or sub-problems.

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。

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Many of them are emerging from conflicts. And,sub-Saharan Africa in particular, especially in Eastern and Southern Africa are facing major problems of HIV, which has had a huge impact on especially child mortality, life expectancy in general.

VOA: standard.2009.05.21

Notice if I'm going to have two different sub problems I need to have two base cases here to catch this. And if I only had one it would error out. And as a consequence, I can go off and ask about rabbits. Let's see.

我需要定义两个基础事件来处理它,如果我只有一个基础事件的话就会产生错误,这样我就能够知道到底有多少只兔子了,让我们来看看，在第12个月末,没那么简单，在第二年末兔子就很多了。

麻省理工公开课 - 计算机科学及编程导论课程节选

The notion here is that you can get a globally optimal solution from locally optimal solutions to sub-problems.

这里的概念是你可以通过,子问题的局部最优方案,得到全局优化解决方案。

麻省理工公开课 - 计算机科学及编程导论课程节选

Either way, the financial sector will have guilty knowledge about Shariah-Compliant Finance and be vulnerable to problems that will make sub-prime look like a day at the beach.

CENTERFORSECURITYPOLICY: Guilty knowledge

That was most recently seen in the way the stock market topped out into the 2007-2009 bear market prior to the 2008-2009 recession, while economists and the Fed were still saying the problems in the housing sector and sub-prime mortgages would be confined to housing and would not affect the overall economy.

FORBES: Usually Right, The Market Says No Problem For Economy In Sight

Sub-Saharan Africa is beset with so many problems that the mind boggles.

FORBES: Africa and economics