使有效

The results show that the infinite method is valid in solving problems in infinite domain and thus high precision can be obtained by eliminating the border effect in finite element analysis.

采用具有精确解的无限厚壁圆筒作有限单元法分析和无限单元法分析，通过对这两种分析方法的分析结果的比较得知：无限单元法是解决无限域问题的一种有效的方法，采用这种分析方法进行隧道及地下工程结构分析，可以消除有限单元法所带来的边界效应，从而使计算精度大为提高。

Furthermore, due to the historical site and its architecture is fresh and active subject in the city, an innovation and development is crucial as well. In this study, four consistent concepts to approach valuable suggestions for the conservation and development of certain historical site and its architecture will be discussed based on conservation and proper renewal, which are the boun...

本文以建立系统科学的历史风貌街区和建筑的保护更新机制为基点，从保护与更新的界定、保护性开发机制的系统性、管理体系的规范性和保护机制的持续性等四个方面，对天津的历史风貌街区和建筑的保护性开发提出建议，以期使宝贵的历史建筑文化资源在得到有效保护的同时进行科学合理的开发利用，并在实施城市的和谐和可持续发展战略中发挥重要的作用。

So the method for solution of the boundary value problems is simple and effective.

这一特点使边界条件处理起来简单、有效。

Those who not allow to ignore is, a few rounds of bow wave of crisis of southeast Asia banking already made the exit of our country got be affected certainly, together with country already got lost buyer's market by seller's market, significant demand not flourishing, the enterprise is sold not free, inventory increases.

不容忽视的是，东南亚金融危机的几轮冲击波已使我国的出口受到了一定影响，加之国内已由卖方市场转向买方市场，有效需求不旺，企业销售不畅，库存增加。

The purpose of this research is to develop a kind of nano-based water repellent agent. By doping nano material appropriately, the water repellent agent may be able to increase the waterproof level of the boxboard effectively and also able to strengthen the boxboard.

本研究的目的是研制奈米级的拨水剂，藉由适度掺杂奈米材料，使拨水剂能有效提高防水效果，并提高纸板本身的强度。

What the lysine does, Dougherty and colleagues report online this week in Nature, is change the shape of the brain receptor's box, effectively making its negative charge more accessible to nicotine--a situation known as a cation-pi interaction.

Dougherty 他们在这个星期的 Nature 网站上报道说，它能够改变大脑受体"口袋"的形状，有效地使其负电荷更好与尼古丁相作用，就是所谓的阳离子—π作用( a cation-pi interaction )。

However you need to know how to use your car brakes properly in order for them to be fully effective.

但是你必须知道如何使用你的汽车制动系统正常，以便使它们得到充分有效的。

In order to use your source control tool most effectively, you need to develop just the right amount of fear of branching.

为了使你的源码控制工具更为有效，你需要适度的平衡对分支的恐惧。

To rely on solid researching foundation, the author has studied the theory of cooperative learning, understands its theoretical foundation and basic factor to bring up the cooperation learning into practice.

为了使课题研究具有坚实的基础，笔者对合作学习进行了一定的理论研究，明确了合作学习的理论基础以及有效实施合作学习的基本要素，并在此基础上阐述了合作学习的运行机理。

To lay a solid research foundation, the writer has studied the theory of cooperative learning and understood its theoretical foundation, pointing that some essentials are to bring up the cooperation learning into practice.

为了使课题研究具有坚实的基础，笔者对合作学习进行了一定的理论研究，明确了合作学习的理论基础，提出了有效实施合作学习的基本要素，并在此基础上阐述了合作学习的运行机理。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。