You can apply it to one tier in an architecture and to multiple tiers across the enterprise architecture.

你可以在架构中的一层上应用它，也可以在贯穿企业架构的多个层上来应用它。

youdao

The application server environment operates much like a queuing network, and it is important to manage the size of the queues so that one tier isn't overwhelmed by another.

应用服务器环境的工作方式与排队网络很相似，一定要仔细地管理队列的大小，确保一层不会对另一层施加过大的压力。

youdao

Left click, hold, and drag the taskbar up one tier.

点击左键，保持，拖动任务栏到一层之上。

youdao

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

VOA: standard.2009.06.16

By 2015 registered IT and application partners--such as one-tier agents, two-tier agents, system integrators (SIs), dealers and direct market resellers--will account for 39% of end-user-generated revenue in this market.

FORBES: Magazine Article

Growth in property transactions in tier-one and major tier-two cities has moved into positive territory for the first time since the summer.

WSJ: Heard on the Street: No Springtime for China's Property Sector

We see Wales as one of the best tier-one teams, but we will be trying our best.

BBC: Stowers leads Samoa against Wales