这句是关键：

来源: sts135 于 2011-09-08 13:54:41 [] [旧帖] [给我悄悄话] 阅读数 : (150 bytes)
回答: 还有这张图 由 sts135 于 2011-09-08 13:51:17

Whenever SOLAR RADIATION has DECREASED and VOLCANIC ACTIVITY has INCREASED, global temperatures SUDDENLY PLUMMET, often within weeks or months.

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