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Titlebook: On the Move to Meaningful Internet Systems 2006: CoopIS, DOA, GADA, and ODBASE; OTM Confederated Int Robert Meersman,Zahir Tari Conference

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楼主: patch-test
发表于 2025-4-1 02:59:42 | 显示全部楼层
,Variability of the Earth’s Climate,nd Interglacials over the past ~800,000 years. These quasi-cyclic climate variations apparently began about 3,000,000 years ago (ya), but the duration and depth of the cold periods increased as time progressed. We refer to these cold periods as “Ice Ages.”
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