New laboratory experiments by University of Leeds researchers have revealed that thawing permafrost becomes 25 to 100 times more permeable than when frozen, dramatically increasing the rate at which greenhouse gases escape. The findings quantify a mechanism that could accelerate climate change.

· · 来源：dev热线

"accuracy": sum(r["correct"] for r in results) / len(results),

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Recovering my previous information proved remarkably straightforward: substitute the current security database with the original version.

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April 2026

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刘洋，资深编辑，曾在多家知名媒体任职，擅长将复杂话题通俗化表达。