Only US firefighters and repairmen can use the buttons to speed up the door-closing process if they have a code or special keys.

只有美国消防员和维修人员有密码或者特殊的钥匙时，他们才能按按钮加速关门的过程。

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Raw code execution speed is usually almost as good as — sometimes better than — the equivalent code written in a compiled language such as c.

原始代码执行速度通常几乎与用编译型语言(如c语言)编写的等价代码相同(有时更快速)。

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Code execution speed?

还是代码执行速度？

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"We strongly support the Ofcom speed code of practice and ensure that anyone who buys BT broadband gets a personalised speed quote before they are committed to purchase, " said a BT spokesman.

BBC: BT trialist

Before a crowd of 400, with music blaring and bright lights pulsing, four entrepreneur finalists, screened for their business plans, competed in a speed round of area code numbers for high-tech centers from west to east.

FORBES: Funds And Games

The code also aims to outlaw speed drinking competitions and "dentist's chairs" where alcohol is poured straight down people's throats.

BBC: Ministers target booze promotions