Aimed at the problem that the computer terminal is the source of the safe risk in the network system, this paper proposed a new reliable terminal model based on non-interference theory.

针对外包数据库系统中的隐私匹配问题，提出了基于分布针对计算机终端是网络系统中安全风险的根源问题之一，提出了一种新的基于进程保护的可信终端模型。

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Scientists say an experimental vaccine reduced the risk of infection in human beings by thirty-one percent and was safe.

VOA: special.2009.10.13

Scientists say an experimental vaccine reduced the risk of infection in humans by thirty-one percent and was safe.

VOA: special.2009.09.30

"They were willing to risk their lives, in this case, to prevent Afghanistan from once again becoming a safe haven for al-Qaida and its extremist allies.

VOA: standard.2009.10.26

"There's undoubtedly a phenomenon that's not good for health, which is about not giving access to outdoors or green space, safe risk-taking and so on, " said David Pencheon, a medical doctor who now heads the National Health Service's sustainable development unit.

BBC: Nature deficit disorder 'damaging Britain's children'

Ms Kendall called on ministers to ensure that all former Winterbourne View residents were "safe from risk of abuse".

BBC: Minister laments 'national scandal' of care home abuse

As I wrote in Stop Playing Safe, ultimately there is no decision that is 100% safe, without risk and free of consequence.

FORBES: Angelina Jolie's Choice: Being Decisive Amidst Uncertainty