The Homeland Security Department wants information about the availability of a commercial electronic performance management system for its human resources functions.

美国国土安全部需要了解商用电子绩效管理系统的实用性，用于其人力资源管理。

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The formal public security structure was augmented by a pervasive system of informers throughout the society. Surveillance of citizens, both physical and electronic, was routine.

原来的公共安架构已经被提升为全社会遍布告密者的普遍体系。对公民物理/人身和电子上的监视都成了常事。

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We are developing a system that converges physical and logical, electronic security.

我们正在开发一个系统，收敛的物理和逻辑，电子安全。

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The UK will move towards an integrated electronic border security system, linking biometric passports and visas with electronic checks on entry and exit, helping to track and intercept terrorists and criminals and to stop illegal immigration.

BBC: Key points: Brown speech

The Federal Reserve Bank of New York, just three blocks from the World Trade Center, remained open throughout the day, though it shifted its electronic funds transfer and security transfer system to backup computers at the Federal Reserve Regional Bank in Richmond, Virginia.

CNN: Attacks prompt widespread closings

But one thing is plain: there is a big growth area for security firms in the justice system: moving prisoners, electronic tagging and actually running prisons, like Securicor's one at Bridgend, in Wales, or the three, plus three centres holding would-be immigrants, that Group 4 runs in England.

ECONOMIST: Why security firms are going upmarket