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科学家逐渐掌握了石油性质的分析技术,取得了构成原料的物质或由热引起的变质过程的详细数据,并从这些数据进一步查明作为原料的生物尸骸是在怎样的环境下被堆积起来的。巨大油田的形成清楚地刻录了过去地质变动的历史。
Scientists have gradually mastered the analytical techniques of petroleum properties by obtaining detailed data on the materials that make up the material or on the metamorphic processes that are caused by the heat and from these data to further ascertain the conditions under which the biological remains used as raw materials are deposited. The formation of a huge oilfield clearly recorded the history of geological changes in the past.