第四，结合实际案例说明运用数学建模的方法分析解决处置灾害实际问题的重大现实意义。
Fourth, the great practical significance is illustrated that practical problems of disposal of natural disasters is resolved by the methods of mathematical modeling.
巴勒斯坦难民问题是解决巴勒斯坦问题的重大课题之一，也是中东和平进程中必须谈判解决的问题。阿以冲突是巴勒斯坦难民产生的根本原因。
The problem of Palestinian refugees is one of the major difficulties in solving Palestinian issues, and also one of the problems to be solved through negotiations during the Middle East peace process.
他们模仿长辈的口气讨论重大问题。
They discussed important issues in imitation of their elders.
这些鸟本意并不想造成伤害，但其携带的化学物质会引发重大问题。
The birds don't mean to cause harm, but the chemicals they carry can cause major problems.
在理解嗅觉的生物学和化学性质方面已经有了重大进展，但许多基本问题仍有待回答。
Significant advances have been made in the understanding of the biological and chemical nature of olfaction, but many fundamental questions have yet to be answered.
毫无疑问，近几十年来，制造业遭受了重大打击，而进一步的贸易协议引发了一些关于新的冲击是否会影响制造业的问题。
Without question, manufacturing has taken a significant hit during recent decades, and further trade deals raise questions about whether new shocks could hit manufacturing.
这份报告讨论了许多有待决定的重大问题。
The report discusses a number of consequential matters that are yet to be decided.
遗憾的是，几乎没有可能看到这些重大问题得到解答。
Unfortunately, there is little prospect of seeing these big questions answered.
克林顿果然学得很快，不久就着手解决降低预算的重大问题。
Clinton proved to be a quick learner and soon settled into serious struggles over cutting the budget.
更重要的是，尽管增长快速，但重大问题和挑战仍然存在。
What's more, for all the rapid growth, significant questions and challenges remain.
对于诸如冰冠融化和温室效应等重大问题，政府和大公司有责任采取必要的措施。
For major issues such as the melting ice caps and the greenhouse effect, governments and large companies are duty-bound to take necessary measures.
如何保持可持续发展是所有国家面临的一个重大问题。
How to maintain sustainable development is a matter of significant importance facing all countries.
这些方形的小石板成了大楼的问题，四十年来不断从外墙脱落，直到一项重大的翻新工程开始进行。
These small square stones became a problem for the building and continued to fall off the face for 40 years until a major renovation was undertaken.
美国邮政的集体谈判没有改变，考虑到人力成本占机构成本的80%，这是个重大遗漏问题。
There's no change to collective bargaining at the USPS, a major omission considering that personnel accounts for 80 percent of the agency's costs.
每一项重大的科学发现都是从发明者以一种独特的视角来看待问题开始的。
Every major scientific discovery began with someone imagining the world to look differently from the way others saw it.
根据一项调查，学生的安全已经成为一个重大问题。
According to a survey, students' safety has become a big problem.
他最近有了一项重大发现——孤独是一个严重的社会问题，它会导致抑郁甚至犯罪，但可以用一种聪明的方法加以阻止。
He has recently made a significant discovery—loneliness is a serious social problem that can contribute to depression and even crimes, but it can be prevented in a clever way.
澳大利亚一名教授正在开发一种机器人，用于监测放牧牛的健康状况，这一开发可能会给畜牧业带来重大变化。几十年来，畜牧业主要依靠低技术手段，但目前正面临劳动力短缺的问题。
An Australian professor is developing a robot to monitor the health of grazing cattle, a development that could bring big changes to a profession that's relied largely on a low-tech approach for decades but is facing a labor shortage.
利比亚面临的问题是棘手的，但它也享受到重大优势。
The problems facing Libya are difficult, but it also enjoys significant advantages.
不过，我们已经就问题的解决采取了重大的举措。
However, we have taken significant steps to address these issues.
在我们的访谈期间，现有的处理过程暴露出一个重大的问题。
A significant problem was exposed with the existing process during our interviews.
我的那些不满意的同胞们，对于内战这个重大的问题，抉择权在你们手里而不在我手里。
In your hands, my dissatisfied fellow countrymen — and not in mine — is the great issue of civil war.
但是，人们如何消耗资源的问题更重大。
上述重大问题的讨论方案，均由厂长提出。
Proposals for discussion of the foregoing important issues shall all be made by the factory director.
这是10多年来食品药物管理局对此类问题采取的最重大行动。
This was the most significant FDA enforcement action on such matters in more than a decade.
而我们今天正在钻研的一个重大问题就是汽车的安全性和效率。
And one of the big problems we're working on today is car safety and efficiency.
这些方法有助于解决选择的困惑，但却要面临另一个重大的问题：偏见。
While these methods may help tame the tangle of options, they suffer from one major problem: bias.
所以生存偏差和回填偏差，会是对冲基金领域里一个相当重大的问题。
So the survivorship bias and the backfill bias would be much, much more of a problem in the hedge fund world.
所以生存偏差和回填偏差，会是对冲基金领域里一个相当重大的问题。
So the survivorship bias and the backfill bias would be much, much more of a problem in the hedge fund world.
应用推荐