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通过两地成炭期对比，分析其成炭气候差异和原因，揭示出影响两地成炭作用的气候机制，进而探讨了北方湿润气候带的全新世变迁
Through the comparison of the carbonization periods between the two places, the differences and causes of the carbon forming climate were analyzed to reveal the climate mechanism that affects the carbon formation between the two places, and then the Holocene change of the humid zone in the north