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。

youdao

Traditional 4gls use a two-tier design.

传统4gl采用一种两层设计。

youdao

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。

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