异常的两种主要干扰因素为细菌作用和生物甲烷气影响。
Two major interfering factors, bacterization and the influence of bio-methane, are discussed in the paper.
根据碳同位素与氦同位素以及气组成分析，表明该区所产天然气为典型的生物甲烷气。
According to the results of carbon and helium isotopic analyses and gas component analysis, it is thought that the natural gas produced in the region belongs to a typical biogenic methane gas.
尤其是有三缕甲烷气柱的源头据说已基本确定位置， 但它们有可能是由地质过程产生，也可能仅仅只是由生物体产生的。
These sources are probably geological but they might, just, prove to be biological.
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