前提

Under the promise of allowing non-negative assumption or not, using the"solve"function in Excel to get the best portfolio, under the disallowing short-selling and or not.

利用Excel的归划求解方法，在允许非负假定及不允许非负假定的前提下求解二次规划问题，得出在不允许卖空和允许卖空的前提下的最优投资组合。

After analysis of traffic characteristic of urban expressway composed of main lines, frontages and parallel roads, theory and key technique that could be applied to develop integrated corridor control strategies are presented. The relationship of mainlines and frontages are very close. Some drivers who would use the expressway may turn to frontage when mainline is crowed, it makes frontage overloaded.

在此前提下，考虑快速路主路和辅路之间关系最为密切，影响程度也较大，当辅路交通状况恶化时，势必使部分驾驶员转向交通状况较好的主路，因而加重主路负荷，因此快速路主路进口、入口匝道的信号控制与辅路交叉口的信号配时应协调起来，在保证主路提供良好的服务水平前提下，提高主路和辅路整体的运行效率。

The point about a fairy tale, though, is that it has one far-fetched premise – the ignition key to its story – after which everything purrs logically from point to point.

不过，童话的特点在于，拥有一个离奇的前提——故事的引子——并依据这一前提，各个情节再一步步进行合乎逻辑的推进。

In China's view, the United States should avoid being drawn into tit-for-tat salvos with Iranian President Mahmoud Ahmadinejad , since that strengthens Ahmadinejad domestically; America should also stop insisting on preconditions for negotiations that effectively demand that the Iranians publicly concede that they have been lying.

在中国看来，美国应该避免卷入与伊朗总统内贾德的针锋相对，因为这会从内部加强内贾德；而且美国不应该执意要求谈判的前提，因为那些前提实际上要求伊朗人公开承认他们自己在撒谎。

In particular, the close association of psychology's history with Western traditions flows logically from basic philosophical premises about the nature of the person, which date back to the ancient Greeks.

特别地，心理学史与西方传统的密切联合从逻辑上来说是从关于人的本性的一些基本哲学前提产生的，这些前提可以追溯到古希腊时期。

By analyzing the goals of small-town development in Tianjin and Central State and introducing the advanced experience in and abroad,the paper takes a research on the key issues and the corelative necessary measures of small-town construction in Tianjin.Meanwhile the paper puts forward that the modes of being pushed by the national state ...

在分析国家及天津市关于小城镇发展目标的前提下，借鉴国内外先进经验，研究天津市小城镇发展建设的关键因素及辅助配套措施，提出以城乡规划为前提，以集约利用土地、多元化融资启动、基础设施先行、特色产业化为核心的政府推进型小城镇的发展建设模式。

As we have abolished planned economic system, we should put its cause system, analysis frame, the theoretical prerequisite and so on into historical museum. we should take more scientific market economic system with its cause system, analysis frame and the theoretical prerequisite as our system. Around these goals, We must establish a Macroscopic Service Law system whose head is getting job fully, wings are the income law of rising and financial basic law, eliminate three fissions making market apart with various financial tools, create equal employment opportunity, make country and the masses rich..

我们废除了计划经济体制，应该将计划经济体制的理论前提、分析框架和目标体系放进历史博物馆，采用更加科学的市场经济体制的理论前提、分析框架和目标体系，并围绕这些目标建立一个以充分就业与收入提高法为龙头，以财政基本法、金融基本法为两翼，运用各种财政工具消除现实市场存在的三种分割（地域分割、信息分割、制度分割），创造平等就业机会，使国家和民众走上富裕之路的完整的&宏观服务法&体系。

One may, of course, seek to justify them in turn by appeal to more basic premisses, until one finally comes to one's most basic ethical or value premisses and one's most basic beliefs about man and the universe.

人们当然可以依次求助更基本的前提证明它们，直到他最后达到自己最基本的伦理的或价值的前提，和他最基本的关于人和宇宙的信仰。

It should be observed that these questions, some of which overlap, are normative and must be answered, as indicated earlier, on the basis of normative premisses from ethics and social philosophy and factual premisses from the empirical sciences and any other source thought to be available.

这些问题将被观察到，重复的那些是规范的和必须被回答，如较早显示的，关于道德规范和社会哲学的规范性前提与经验主义科学和任何别的被认为可能的来源的现实前提。

Eliot and others who hold that a philosophy of education must ultimately rest on religious or theological premisses assume that the final premisses one appeals to are religious or theological just because they are normative, because they are about the nature of man and the universe, or because they are ultimate.

艾略特和其他人支持教育哲学最后必须依赖于宗教的和神学的前提假设，最后的前提之所以诉求于宗教的和神学的正因为它们是规范的，因为它们是关于人和宇宙的天性的，或者因为它们是最终的。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。