烃类垂向运移是一个复杂的地质地球化学过程，严格受边界条件控制，在地质历史上具有一定的阶段性。
Hydrocarbon vertical micro migration is a complicated geological geochemical process. It is strictly controlled by boundary condition, possesses stages in geological history.
一个新阶段的历史上神的国现在开始。
A new period in the history of the kingdom of God now commenced.
人类已进入了历史上的一个全新阶段。我们刚刚跨入21世纪的门槛，新千年的帷幕正在徐徐升起。
The human race has entered a completely new stage in its history. We have just crossed the threshold of the 21st century and the curtain of the new millenium is slowly rising.
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