To keep independent object-oriented system secure from Trojan horse, there exists already a restrictive policy that blends information flow control with discretionary access control.

描述了面向对象系统的数据模型，研究了信息流和信息传输，并以此为基础给出了基于自主访问控制策略的分布式对象系统的信息流控制方法。

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Many investors, including corporate raider Carl Icahn, felt that Yang had scuppered the Microsoft deal on purpose in order to keep the company independent.

很多投资人包括“公司掠夺者”卡尔·伊坎(Carl Icahn)[译注1]认为杨致远是有意破坏微软的并购以保全公司的独立性。

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It was necessary, too, to keep judges independent. He mused on how constrained they were: unable to initiate or annul anything, and subject to the sovereignty of Parliament.

保持法官的独立性也是必要的，他寻思着法官到底受到了多大的束缚：无法建立或废除任何法令，服从于议会主权。

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In eighteen forty-six, he was able to establish the independent Treasury again, where the government could keep its own funds.

VOA: special.2009.03.05

But he had won the equally important fight to keep the presidency independent from Congress.

VOA: special.2010.02.11

The first amendment to the United States Constitution reads Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof The idea is to keep governmental powers independent from private religious beliefs.

VOA: special.2010.03.05

For a slideshow of 10 high-tech gadgets to keep nana independent longer, click here.

FORBES: Consider Nanatechnology To Take Care Of Grandma

But nevertheless, there is an opportunity right now for people to seize the means of production and distribution and keep them independent.

FORBES: Magazine Article

In fact there are good arguments on both sides: keeping the new spy director out of the White House, for instance, might keep him independent.

ECONOMIST: The terror alert