Downgrades can also be trigger events in financial contracts, like credit default swaps, that force money to change hands between parties; and they have historically spooked markets.

评级下调也可能是信用违约互换(CDS)等金融合同的触发事件，迫使资金易手。历史上，评级下调也曾令市场风声鹤唳。

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During the spring, carbon dioxide changes from a solid to a gas with enough force to trigger small avalanches.

在春季，二氧化碳从固体升华为气体的过程中有足够的能力引发小型雪崩。

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The force-feedback or haptic controller is a pistol-grip design with a trigger to activate movement and a thumb-controlled side button to open or close the gripper.

该力反馈与触觉控制器使用了手枪握把的设计，并带有一个触发器用来启动动作以及一个由拇指控制的侧方按钮用来控制机械手爪的开闭。

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Mr Ruckauf may also come to regret calling for more bullets for an already trigger-happy force.

ECONOMIST: Argentina: Tough nut | The

Ryan, for his part, called for a trigger that would force the President to come up first with a plan to make Social Security changes.

FORBES: Obama Calls For Automatic Tax Increases If Deficit Isn't Curbed

Any attempt by the Moscow clergy to occupy Mary Magdalene's convent by force could also trigger a diplomatic brouhaha.

ECONOMIST: The battle of the churches