湘中涟源煤盆地早石炭世测水组、晚二叠世龙潭组煤系是中国东南诸省境内最重要的煤系，具有较大的生气、储气能力。
The Lower Carboniferous Ceshui and Upper Permian Longtan coal series are most important in Southeast China, and can both generate and bear gas greatly in the Lianyuan coal basin, Central Hunan, China.
湘中地区有中奥陶世和早震旦世两个重要的锰碳酸盐层。
There are two important manganese carbonate horizons in the Middle Ordovician and Early Sinian strata in central Hunan Province.
世凯是既开朗又可爱的人，在湘雅二医院艾滋病研究室一间实验室里，世凯把门闩好后，采访才正式开始。
Shi kai is cheerful and lovely, the Second Xiangya Hospital in an AIDS research lab, the latch Shikai good, an interview before the official start.
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