From inclusion and ro data, it is clear that Pingbei strata had undergone a higher temperature gradient in geological history, which is favorable for source rock evolution.

从包体测温和镜质体反演资料推测平北工区经历了高于今地温梯度的热历史，这对平湖组烃源岩或深部烃源岩演化有利。

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Obvious overpressure constraint of deep source rock evolution was found through high temperature and pressure simulation experiment, natural thermal evolution and geological case studies.

热压模拟实验、烃源岩自然演化和勘探实例研究表明，深层烃源岩演化明显受到超压的抑制。

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At the same time, some scientific hypotheses of the damage evolution equations and stress-strain relationship as well as the failure mechanism of rock mass are also proposed.

同时，也为进一步建立岩体结构合理的损伤演化方程、本构关系和研究岩石破坏机理提供了科学依据。

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They started off with more than 1, 000 virtual Moon-sized objects made of rock and ice and simulated about 200 million years of planetary evolution.

BBC: NEWS | Science/Nature | Earth-like planets may be common