... 比较测微计 comparator micrometer 比较沉积学 comparative sedimentology 比较成本 relative [comparative] costs ...
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The excellent development of coal - rich regularity in recent decades includes mainly coal - bearing model, coal -rich belt and coal - rich unit, comparative sedimentology of modern peat and swamp.
富煤规律研究的突出进展主要包括聚煤模式、富煤带和富煤单元以及现代泥炭比较沉积学研究。
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