这些介质中的汞异常经常互相叠置，且与其他油气化探指标组成综合异常。
Mercury anomalies in these media, are often superimposed each other and associated with other geochemical anomalies.
吸附烃是油气化探的主要指标之一，它直接反映从油气藏运移出来的烃类气体。
The absorbed hydrocarbon is one of the major indicators in the oil gas geochemical exploration. it can directly reflect the hydrocarbon gas transmited out from oil gas accumulation.
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