Some initial triggering mechanism is needed to push one group in one direction, and another in another direction.

将一个群推往一个方向，将另一个群推往另一个方向，这需要一些最初的触发机制。

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In other words, environment containing noise has to be relied on to furnish the triggering mechanism on which the long-term selection rule will operate.

换句话说，为使长期的自然选择规律发挥作用，必须依赖包含噪声的环境提供触发机制。

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Think of the Collector node as an advanced triggering mechanism.

可以将Collector节点视为一个高级触发机制。

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Tritium is also used as a component in the triggering mechanism in thermonuclear (fusion) weapons.

FORBES: Radioactive Tritium Leaks from Nuke Plant; Also Two Million EXIT Signs

In 1987, Congress fixed the triggering mechanism and restored the sequester in Gramm-Rudman II.

WSJ: Phil Gramm: Obama and the Sequester Scare

As they have consistently, Republicans, especially in the House, adamantly refuse to include balance in the triggering mechanism.

WHITEHOUSE: The White House