The unprecedented land clearance released vast quantities of carbon dioxide into the atmosphere, triggering for the first time humanly caused global warming.

空地的规模史无前例，它们将大量的二氧化碳气体释放到了大气中，因而引发了第一次人为导致的全球变暖。

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In coming months, Russia is seeking to borrow in foreign currency for the first time since it defaulted on sovereign debt in 1998, triggering a financial convulsion.

俄罗斯计划在在未来数月以外币借贷，这是该国自1998年宣布主权债务违约从而引发金融地震以来的首次。

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In either case, the Runtime Spy can point to those that might be taking too much time or triggering the activation of too many other plug-ins.

在任何一种情况下，Runtime Spy都可以指出哪里可能会占用太多的时间或者触发太多其他插件的激活。

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Antidoping officials say the test was new at the time, so the threshold for triggering a positive result for the banned substance was set conservatively high, and would later be lowered.

WSJ: Antidoping Officials Pursued Armstrong for Years

He attributed the change to an improved economy, with the creation of entry-level jobs triggering home buying by first time homebuyers backed by support from federal housing programs.

WSJ: New York Area Housing Recovery: Signs the Slump May Be Over

Plaid condemn a "bland budget", claim the Chancellor's move to spend more on infrastructure is "a political admission of failure" and - at the same time - nowhere near enough to achieve its aim of triggering growth.

BBC: Figures from this side - and that