A simple two tier database-only approach is not likely to achieve the performance requirements outlined above.
一个只有两层的简单数据库方案不太可能达到上述性能需求。
If you then had a scripting language running in-process with the Web server, such as PHP, that connected to a database, this would be described as two tier.
如果用Web服务器运行某种脚本语言(比如php)，从而连接数据库，那么这可以看作两层。
This approach overcomes the security problems of deploying two-tier systems over the WAN by replicating a native client to a remote user.
通过将一个原生客户端复制给一个远程用户，这种途径克服了通过WAN部署两层系统的安全性问题。
We choose to implement a two-tier approach for a variety of reasons, all of which are discussed in a previous article referenced in Resources.
出于各种原因，我们选择实现两层方法，在参考资料中所引用的前一篇文章中，讨论了所有这些原因。
A product, set up for small - and medium-sized businesses, works well within a two-tier architecture.
现有针对中小型业务设置的一款产品，该产品在两层架构中工作得很好。
This two-tier architecture is called Asymmetric Massively Parallel Processing (AMPP), as shown in Figure 1.
这种两层式架构被称为非对称的大规模并行处理(AMPP)，如图1所示。
The two-tier approach isolates data store and data access management.
两层的方法将数据存储和数据访问管理相分离。
If it succeeds, it could create a two-tier NATO in the east: a few countries with a direct relationship with America, and a vulnerable rump without.
而如果成功，则可以在东部营造一个双层的北约：少数国家与美国有着直接的关系，而易受攻击的残余部分没有。
Still, the fake cloud approach does not address the scalability issues inherent in a two-tier system.
但是，伪造云途径不能解决两层系统固有的可伸缩性问题。
The system is designed as a two-tier system with an app tier running the J2EE application and a load-balancer tier.
这个系统设计成两层的系统，运行J2EE应用程序的应用程序层和负载平衡器层。
Traditional 4gls use a two-tier design.
传统4gl采用一种两层设计。
A notionally two-tier Europe could see its meetings preceded by those of a 16-strong inner council that would compete for primacy, perhaps successfully.
一个抽象，双重的欧洲的会议是有16个强势的内部理事会进行的，他们为追求卓越，彼此竞争也许会成功。
A successful product, running in a two-tier environment, has many customers.
现有这样一款产品运行于两层环境，而且用户也很多。
This two-tier labour market divides workers into a privileged groupcocooned from the reality of recession and the disadvantaged ontemporary contracts, in unemployment or in illegal jobs.
这种二重的劳动力市场使得一部分人在市场衰退下得以全身而退，而另一部分主要由临时工，失业人员和非法劳工构成的人却步履艰难。
Some have suggested that a two-tier system may provide the only viable solution.
某些人则建议一个双层的系统可能能提供唯一可行的方案。
And two-tier systems perform poorly when a fat client must connect to a database over the WAN.
当胖客户机必须通过WAN连接到数据库时，两层系统的性能较差。
Two-tier distributors do well in these markets for several reasons.
在这些市场双层经销商进展情况良好存有关键因素。
This system has created a two-tier structure: powerful countries decide the missions (and pay for them) while poor countries such as India, Pakistan, Bangladesh, Nepal and Jordan supply the soldiers.
这一体制造成了双重结构：强国决定任务（并为此买单），而那些穷国，如印度、巴基斯坦、孟加拉国、尼泊尔以及约旦等，则提供士兵。
The deal establishes a two-tier royalty payment system for companies - such as the popular service offered by Pandora - that broadcast music over the Internet.
这个协议为在网络上播放音乐的公司——比如很受欢迎的“潘多拉”——规划了一个双层版权费支付系统。
Keep in mind, the two-tier warehouse design above is a conceptual warehouse layout.
请记住，上面两层的仓库设计是概念仓库布局。
They fear the creation of a two-tier system, with worthless degrees for those at "dustbin universities".
他们担心双级制度的建立会使“垃圾大学”的学位变得毫无价值。
But are two-tier shareholding structures a good idea?
然而双重持股结构真是个好方法吗？
Generous severance arrangements discourage firms from hiring workers and have created a two-tier Labour market and mass unemployment.
丰厚的离职金制度阻碍企业招聘新员工，由此产生了一个双重劳动力市场和大量失业人口。
The two-tier system for managing air traffic was agreed to by international aviation authorities and Caribbean states, and flights have resumed.
这一两级分类航管系统得到国际民航部门及加勒比海国家的同意，目前航道已经开通，救灾航班陆续入港。
Spain's two-tier Labour system is inefficient as well as unfair.
西班牙劳动力体系的双重制度毫无效率和公平可言。
John McCain, the nominee, advocated a two-tier system.
竞选人约翰·麦凯恩倡导两级制度。
Although unemployment is low, rapid job losses among Japan's army of temporary workers are exposing the unfairness of a two-tier Labour market and straining an egalitarian society.
尽管日本的失业率较低，但其临时劳动力大军中却有越来越多人失去了工作，暴露出其两级劳动力市场的不公平性，也让这个平均主义社会不堪重负。
Before answering that, consider also the shift from three-tier messaging systems to two-tier systems.
在回答上述问题之前，我们还要首先考虑从三层消息传递系统到两层消息传递系统的转换。
Before answering that, consider also the shift from three-tier messaging systems to two-tier systems.
在回答上述问题之前，我们还要首先考虑从三层消息传递系统到两层消息传递系统的转换。
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