储层与盆地边缘大气水渗滤带隔绝，形成了低硫酸盐的还原环境，有利于甲烷菌活动。
There is a barrier between reservoir and atmospheric water of basin margin forming reducing environment with low sulphate which is favorable to methane bacteria activity.
此时，火箭已经飞过了平流层和中间层，正在接近大气层边缘。
The rocket had passed the stratosphere and mesosphere and was leaving the atmosphere.
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