制约因素

The cost of lactide is one of the most important factors that hamper the PLA from widely use for a long time. In this paper a series of apparatus which can boost the product ratio to the utmost was focused on. Meanwhile the factors affecting the molecular weight of PLA in the polymerization were also discussed.

长期以来丙交酯的成本一直是制约聚乳酸推广应用的最重要的因素之一，本文致力于设计出一套能最大限度降低丙交酯成本的工艺过程，并对丙交酯聚合过程中影响聚乳酸分子量的因素进行了初步探讨。

So folk Medium-and-small-sized Enterprises have become necessary part in national economy and society development Howerer , because of the limitation of economic power , financial oppression has become the important factor in refrainment folk investment from ulterior progress with the enlargement of investment scale .

但是由于民间投资主体目前的经济实力有限，随着投资规模的逐渐扩大，金融压制等因素已成为制约民间投资进一步发展的重要因素。

Academic motivation is the tendency to find school-related activation meaningful and worthwhile and therefore attempt to get the maximum benefit from them. It is the key factor of restricting academic behaviors and academic quality, and which forming and developing is influenced by a great deal of factors. Understanding the relationship between emotion, self-knowing and self-evaluation, social-culture factors and academic motivation may be central to developing more effective teaching strategies.

学习动机是指由学习需要引起的，激发、推动学生进行学习活动，并达到一定学习目标的内部心理倾向动力，是直接推动学生进行学习的内部动因，是制约学习行为和学习质量的关键因素，其形成和发展受多种因素的影响。

Don't snap and snarl at me when I'm trying to do my best for you.

即关键是要阐明尽管有诸多因素影响或制约翻译活动，但作为一名译员在明确这些因素的基础上争取做到有效沟通。

Water supply of city is its vital arteries and offers necessary condition for producing and living. It is the key factor of city development and also the important factor of society stableness.

城市供水是城市的命脉，它为城市的生产、生活提供着必需的条件，是制约城市发展的决定性因素，甚至也构成了关系社会安定的重要因素。

All local university pay the utmost attention to the employment of university students during its development ,but there are many factors restricting the employment of university students,such as the mode ,personnel training , speicality e stablishment lagging behind social demand and ignoring applied talent cultivation .

在地方院校发展过程中，如何更好地解决大学生就业是各地方高校必须优先考虑重要问题。制约地方院校大学生就业的因素是多方面的，其中，相同的办学模式和人才培养规格，专业设置与调整落后于社会需求以及忽视应用型人才的培养是造成大学生就业困难的主要因素。

To this day , a lot of innovative researches focus on the production of the bamboos, the biological and abiological factors of restricting the bamboos' production, the nutrient cycle of the forest system, the relationship between the bamboos' clonal growth and regeneration of the system, the hypothesis for the bamboos' bloom mechanism etc. But the results were too confused, make the ecological process of the bamboo forest be unclear, and this is not enough to conserve panda and its habitat.

目前，各专家学者围绕大熊猫主食竹的生物量生产、制约大熊猫主食竹生物量生产的生物因素和非生物因素、大熊猫主食竹群落系统的养分循环、大熊猫主食竹种群的克隆生长与群落更新、大熊猫主食竹开花机理假说等方面作了大量的研究，但研究结果还具有许多不确定性，这对大熊猫主食竹群落系统生态学过程的深入了解还非常不够，同时也很难满足大熊猫及其栖息地保护的需要。

The paper consists of following contents:(1)starting with a historicalreview of the use-of-force,this paper reveals a paradoxical evolvementof the two trends in use-of-force,compares the absolutization andinfinity with controllability and finity of the use-of-force,and clarifiesnew characteristics of the use-of-force in post-Cold War era;(2)bysystematically analyzing the era background from the viewpoints ofeconomic globalization,political multipole,military high tech,national separatism and the hegemonism,the paper clarifies factorslimiting and stimulating the use-of-force;(3)by analyzing the lawbackground mainly from the viewpoint of international laws,the paperespecially centralizes the discussion on restrictions made by moderninternational laws on the use-of-force and their limits,dissects thechallenges brought up by the high tech war to international laws;(4)the use-of-force by UN and other regional international organization;(5)refuting the theory of"humanitarian intervention"advocated bythe USA and certain western countries,the paper expatiates the rightrelations between human rights and sovereignty,and demonstrates therightness of the sovereignties and UN;(6)the basic guidelines of theuse-of-force in the post-Cold War era.

分别从经济全球化、政治多极化、军事高技术化以及民族分离主义的泛滥、霸权主义的恶性膨胀等方面系统分析冷战后武力使用的时代背景，揭示出冷战后时代同时存在的限制、约束武力使用的因素，以及诱发、刺激武力使用的因素。（3）主要从国际法的角度分析武力使用的法律背景，着重探讨现代国际法对武力使用的规范和制约作用以及这种作用的有限性，同时剖析现代高技术战争对国际法提出的挑战。（4）主要探讨联合国以及区域性国际组织在冷战后使用武力的实践以及存在的问题。（5）驳斥以美国为首的某些西方国家所鼓吹的&人道主义干涉&论，阐述人权与主权的正确关系，论证主权国家和联合国并没有过时，不能用非人道手段解决人道主义问题。（6）系统提出了冷战后国家间使用武力应遵守的基本准则。

For achieving the curves of relatively changes ,finding the effect to crinkling ,designing reasonably mould and processing project ,and getting the rule of this kind of problem ,this thesis applied the CAE software to simulate the drawing process of the car-engine rocker ,and analysed the breaking phenomena and its cause .

而各因素之间相互制约，为了得到各因素相对变化的关系曲线，找出他们对起皱的影响，最终设计出合理的模具和工艺方案，并得出此类问题的规律，本文中应用CAE软件对轿车发动机摇臂的拉深过程进行了模拟，分析了加工过程中的失稳现象及产生的原因。

It is believed that the economic development is one of the most import factors exerting influence on industrial structure.

经济发展因素是制约产业结构最重要的因素。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。