... 棚地 bench 棚礁 shelf ice 硼砂 borax ...
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礁棚 shelving
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湘南泥盆系碳酸盐岩的沉积环境，可以区别为四种类型：台地相、广海陆棚相、生物礁相及台盆相。
The sedimentary environments of the Devonian carbonate formations in southern Hunan, China can be divided into four types: platform, open marine shelf, bioherm, and platformbasin facies.
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