In order to evaluate source rock fast and accurately, the paper presents source rock pyrolysis gas chromatographic evaluating technology and expounds its geological application.

为了快速、准确地评价生油岩，该文介绍了生油岩热解气相色谱评价技术并对其地质应用进行了重点阐述。

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The eruption seems to have started with the volcano spitting out lumps of rock up to 2 metres across, before releasing an enormous pyroclastic flow - a fast-moving gush of hot gas and rock.

火山似乎在释放出巨大的火山碎屑流(一种热的气体和岩石快速移动的喷流)之前，从开始吐出2米宽度的岩石块而开始爆发。

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Scientists with the country's Institute for Geophysics said fast moving currents and extremely hot gas and rock could be seen flowing from the volcano's crater.

国家地质研究所的科学家说，从火山口可以看到极热的气体和岩石的剧烈涌动。

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VOA: special.2010.05.12

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