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n.泥炭化酌
1、formation of peat swamps can be divided into two major categories, i. e. waterlogged peatification and terrestrial.───泥炭沼泽的形成可分为水域泥炭沼泽化和陆地泥炭沼泽化两大类。
2、structure of the thermal secondary maceral was different from that forming in the period of peatification.───热变次生组份具有不同于泥炭化时期所成的显微组份结构特征，往往具有较为强烈的光学各向异性。