Although the pesticide TDX has been widely used by fruit growers since the early 1960's, a regulation in force since 1960 has prohibited sale of fruit on which any TDX residue can be detected.

虽然 TDX 这款农药自20世纪60年代早期就被果农广泛使用，但自1960年起，一项生效的法规禁止销售任何可以检测到 TDX 残留的水果。

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Over the last five years, Boeing, the U. S. Air Force and Navy, Honeywell UOP and others have systematically tested and advanced the alternative fuel.

在过去的五年里，波音公司，美空军、海军，霍尼韦尔环球石油公司等都已经系统性的测试并完善了这些新能源。

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The zone was tested on Feb. 28, 1994, when six Serbian fighter planes were shot down by U. S. Air Force F-16s, in what became known as the Banja Luka incident.

1994年2月28日该禁飞区进行了试验，6架塞尔维亚战斗机被美国空军f - 16战机击落，也就是后来大家所知道的巴尼亚·鲁卡事件。

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It was ordered to put pressure on Johnston's force to prevent it from helping Beauregard.

VOA: special.2009.08.27

But it's a difficult claim because even as Milton makes this claim, he manages to undermine its force.

但这是困难的，因为即便是弥尔顿做出了这一宣告，他也打算降低它所蕴含的威力。

耶鲁公开课 - 弥尔顿课程节选

Part of the poem's force derives from the status of this moment as something remembered, and remembered within the context of a nation at war.

诗歌的一部分力量来源于,事情被记起那一刻的状态，并且是在国家处于战争时期的情况下记起的。

耶鲁公开课 - 现代诗歌课程节选

Seven soldiers serving with Nato's force in Afghanistan have been killed in two attacks, the alliance says.

BBC: Afghan violence: Seven troops die in two attacks

The Dutch will withdraw troops from August and Canada's force is set to return home next year.

BBC: US chief Petraeus vows to protect Afghan civilians

The county's force has more than 27, 000 members on Facebook and around 13, 000 followers on its main Twitter account.

BBC: Computer profile