The shape finding of membrane structure can be applied with the general - purpose finite element package ansys , thus a key problem in the design of membrane structure is solved 很好的在已有的有限元通用程序ansys上实现了薄膜结构的找形，解决了膜结构设计中的一个关键问题。
A key question and concern in resource allocation software is how to determine when to allocate resources to particular applications and their associated infrastructures 资源分配软件中的一个关键问题和考虑因素是，如何确定何时将资源分配给特定的应用程序及其相关的基础设施。
While the technology involved might be nontrivial , especially when grid infrastructures are involved , a key aspect to consider is the human element to automation 尽管所涉及的技术可能并不太重要，尤其是在涉及网格基础设施时更是如此，要考虑的一个关键问题是自动化中人的因素。
The gathering benefit and the scale benefit of cities and towns have decided that we must implement cities and towns driving strategy in the great western development 在这样的背景下，如何推进西部城市化的发展，从而使其带动西部经济的全面增长已经成为需要认真研究的一个关键问题。
There are many difficult problems in the software reengineering practice ; an important one is how to select an approach to perform software reengineering 研究如何使遗留系统得到再利用的理论? ?软件再造变得越来越重要起来，成为了一个热点课题。如何选择软件再造策略是其中一个关键问题。
So the decisive factor that practically makes computer systems steadily work in the real life is the reliability of calculation , which is the stratus technologies guaranteed for 计算机系统能否真正运作于实际工作的一个关键问题就是计算的可靠性，而容错计算技术是计算可靠性的重要保证。
Moreover , because of the rising popularity of multimedia applications and potential commercial usage of manet , qos based mac protocols have become a key issue for manet 另外，随着多媒体信息传送的广泛需求和manet的潜在商业应用使得移动adhoc网络中基于qos的mac协议研究成为一个关键问题。
Quality is a permanent problem . it is not only a lifeline of military products , but also a key problem of research and production in navigation , guidance and control system domain 质量是一个永恒问题，更是军工产品的生命线，也是导航、制导与控制系统研制和生产中所存在的一个关键问题。
What not even you and i , angel , who love each other so well ? like a greater than himself , to the critical question at the critical time he did not answer ; and they were again silent 安琪尔也像一个比他自己更伟大的人物一样，在这样一个关键时候对于这样一个关键问题，不作回答，于是他们两个人又都沉默起来。
Because acquiring new customers is more expensive than retaining existing ones , and because customer bases are under constant attack from competitors , customer retention is a key issue 由于争取新客户的费用远比维护现有的客户的花费更多，并且由于现有客户会不断受到竞争者的吸引，因此，留住客户是一个关键问题。
