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。

youdao

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。

youdao

Traditional 4gls use a two-tier design.

传统4gl采用一种两层设计。

youdao

"If we devolve or get to a two-tier it will weaken the alliance and we will have much work to do.

VOA: standard.2009.03.24

There are complaints about the two-tier system of coverage, and some believe that people with private insurance get quicker and better care, and are therefore healthier.

VOA: standard.2009.09.28

"The successes are clear. Some former Tier-Two-Watch List countries are now Tier One.

VOA: standard.2009.06.16

The two tier market system which set doctor against doctor and hospital against hospital - scrapped.

BBC: News | UK Politics | Frank Dobson's speech in full

Mr Carluccio points out that a two-tier labour market is matched by two-tier education.

ECONOMIST: The jobless numbers get nearer to a grim milestone

He warns that this could create a two tier education system.

BBC: Paul Carter advises schools not to apply for academy status