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A lot of research is necessary before laser can be widely applied in production.

必须进行大量的研究工作，才能使激光在生产中得到广泛应用。

This was partly necessary in order to provide for the very short latency required by multimedia.

在某种程度上这是为了满足提供多媒体所需的极短延迟。

Lateral routing flow of surface water and subsurface soil water become necessary in land surface simulation in mountainous regions.

地表水以及土壤水的侧向流动成为山区水文过程必须考虑的部分。

We wanted nothing more than that those useful and necessary matters on account of which the said Lateran council had been summoned might be brought to their conclusion.

我们希望只不过这些有益和必要的事项考虑到该理事会说，拉特兰已召见可能受到他们的结论。

Therefore, the study of the lattice beam and the research of the beam designing method are very necessary.

因此，加强对混凝土格构锚固体系中格构梁受力机理和设计方法的研究，是十分必要的。

And the necessary of off lattice model and simplified energy function in protein folding is get. Then energy computation of protein folding process is designed and implemented. Secondly, with the characteristics of robustness and the ability of searching the better optimization, genetic algorithm, ant colony optimization algorithm and particle swarm algorithm are researched.

基于这个问题，主要在以下几个方面进行研究：首先，分析蛋白质折叠模型和能量优化函数，得出蛋白质非格点模型和简化能量函数在蛋白质折叠研究中的必要性，并设计实现基于非格点模型的蛋白质折叠的能量计算模块。

Therefore,I think it's necessary to launch such campaigns.

因此，我认为举行这项活动是很有必要的。

One of the developments that will be necessary for Europe's Next Generation Launcher is a new design of main engine.

对欧洲必须的下一代发动机的开发之一是主引擎的新设计。

Objective To discuss the roles of mechanical ventilation associated with bronchoalveolar lavage when necessary in patients with severe respiratory failure.

目的探讨机械通气必要时联合支气管肺泡灌洗在ICU治疗呼吸衰竭的作用。

The freedom of association has special values as the necessary foundation of democracy and the rule of lave in the modem society.

结社自由在现代法治社会具有特殊的宪政价值，是民主与法治不可或缺的基础。

Summary In copyright infringement cases,if the alleged infringer uses or even plagiarizes the copyrighted works or parts thereof,which causes no substantially adverse effect on the normal exploitation of the work,nor does it inflict any substantial damages to the right owner,the de minis doctrine should be applied to exempt the liabilities of the defendant and seek the balance of interests between the right owner and the general public embodied by the copyright law.

在侵犯著作权案件中，如果被控侵权行为人虽未经著作权人的同意，使用甚至抄袭了受著作权保护的作品或作品的片段，但若情节轻微，未对该作品的正常使用产生任何实质不利的影响，亦未对权利人的权利造成实质性的损害，则应适用&不计琐细原则&，免除行为人的责任，以寻求在权利人利益与著作权法所体现的社会公共利益之间的平衡。

This new product will become our best seller.

这个新产品会成为我们最畅销的产品。