Security model is based on system security requirements which provide specification for system security requirements and logic structure of security architecture.

安全模型是基于系统安全需求建立的模型，用于描述系统的安全需求和安全体系的逻辑构成。

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Each of the homes has a security system and is wired for cable television.

每一家都有安全系统，并装设了有线电视线。

《柯林斯英汉双解大词典》

The real purpose of this new property loan policy is to boost credit support for building an a ordable housing system for social security purposes.

新的房地产贷款政策目的在于为建立社会住房保障体系提供信贷支持，从而促进社会的稳定。

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Biden stressed that the new missile defense system would provide more security for the United States and the North Atlantic Treaty Organization,or NATO.

VOA: standard.2009.10.23

"You cannot build a foolproof system for air security unless you are willing to slow the whole air system down to a crawl and institute very, very invasive procedures before Americans get on airplanes,".

VOA: standard.2009.12.30

"The integration of the hardware, software and services necessary for system-wide security has been slow, " said Warren East, CEO, ARM.

ENGADGET: ARM seeks better security for connected devices, teams up with Gemalto and Giesecke & Devrient

Then it's on to the final day of committee stage scrutiny of the Justice and Security Bill, which revamps the system for oversight of the security services and the handling of court cases dealing with sensitive intelligence or security matters.

BBC: Summer recess approaches

In 1935 IBM landed a contract to tabulate employment for the Social Security system and put those dusty punch-card machines to work.

FORBES: Job Killers: A Rogues' Gallery