E-mail worms may cause the spread of Internet spam and threaten the security of Internet.

电子邮件蠕虫是引起因特网中垃圾邮件泛滥的原因之一，严重威胁着因特网。

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Gas disaster is always one of the main disasters to threaten the security of coal mine in the coal exploitation.

在煤矿开采中，瓦斯灾害一直是威胁煤矿安全生产的主要灾害之一。

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Climate change and pandemic disease threaten the security of regions and the health and safety of the American people.

气候变化和大规模流行病威胁着特定地区的安全及美国人民的健康和安全。

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He says the competition this could create may also threaten international security.

VOA: special.2009.05.05

He said the United States will "take appropriate steps to let North Korea know that it can't threaten the safety and security of other countries with impunity."

VOA: standard.2009.04.03

They threaten the common security of all nations. A nuclear weapon in the hands of terrorists is a danger to people everywhere, from Moscow to New York to South Asia."

VOA: standard.2010.04.11

"These contractors threaten the security of our troops and risk the success of our mission, " he added.

BBC: Afghan security contractors 'fund Taliban'

That having been said, as John and others have said on numerous occasions, we're not going to make any decisions that we believe threaten the security of the country.

WHITEHOUSE: Press Briefing

But nuclear weapons are not simply an issue for the United States and Russia -- they threaten the common security of all nations.

WHITEHOUSE: Signing of New START Nuclear Arms Treaty with Russia