I use the term "low-tier" cautiously, because GSU is a well-regarded research institution that attracts high-quality professors and faculty from all over the country.

我非常谨慎地使用“低层次”这个词，因为佐治亚州立大学（Georgia State University）是一所声誉卓著的研究机构，吸引了来自全国各地的高水平教授和教师。

youdao

Tier 1 cities like Beijing have a couple of hundred high-speed trains stopping at the city every day.

像北京这样的一线城市每天有几百辆高铁停靠。

youdao

However, the cost of process hopping to the database is still high, thus performance on the data tier is the first place to look when optimizing your code.

然而进程跳跃到数据库的成本依然很高，因此数据层的性能是您在优化代码时首先要考虑的问题。

youdao

Sony Ericsson may also be at risk, given its focus on mid- and high-tier phones, Gartner's Milanesi says.

FORBES: Magazine Article

"With the high-tier under pressure and mid-tier becoming more competitive, we may see a slowdown in their sales, " she says.

FORBES: Magazine Article

The OnLive Game Service delivers users the latest high-performance, top-tier games instantly to almost any device, eliminating the need for expensive local consoles or high-end PCs.

ENGADGET: OnLive and Juniper team up on cloud-based services for enterprise