Indexes typically speed up queries, sometimes reducing the time required to execute the query to a fraction of the former elapsed time.

索引很好地加快了查询地速度，有时将执行的时间减少到以前占用时间的一小部分。

youdao

The 45-year-old star of Speed and Miss Congeniality is married to Jesse James, a former motorcycle mechanic and television presenter.

现年45岁的桑德拉·布洛克因出演《生死时速》及《选美俏卧底》而著名，她嫁给了杰西·詹姆斯，詹姆斯以前也是一位电视明星。

youdao

An analytical expression for spot moving speed on the former vibrating mirror of the polygonal mirror scanning system objective is derived from geometrical optical principle.

根据几何光学原理，推导出转镜-振镜扫描系统物镜前振镜上光斑移动速度的解析表达式。

youdao

Poyet has already held talks with Swansea chairman Huw Jenkins, as has Sheffield United player coach Gary Speed and former Watford manager Aidy Boothroyd.

BBC: Poyet keen on vacant Swansea job

But former Wales midfielder Speed told Sport Wales that his main focus was still on playing, insisting he had no desire to hang up his boots despite turning 38 last month.

BBC: Speed backs Toshack's Wales path

The former promises a WiFi speed bump, the latter two bring the promise of extended home automation.

ENGADGET