Agglomeration and diffusion have been proposed to be a principal investigation on the study of metropolitan space evolution.

集聚与扩散是研究大都市空间演化的基本视角。

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This research describes the whole process of the dynamic evolution of industry cluster in Dayan tourism town, based on the study of structure evolution and space evolution.

构造演化和空间演化研究描绘出大研旅游小镇产业集群动态演化的完整过程。

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Supernova remnants play an important role in stellar evolution by enriching space with heavy elements, and triggering new star formation by compressing interstellar gas.

超新星残骸以重元素填充宇宙空间，压缩星际气体促进新恒星的形成，因而在星体演化过程中扮演重要角色。

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From the Big Bang to the present and forward into the future, Space gives a vision of the birth, evolution and end of the phenomena that make up the universe as never seen before.

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In 2001: A Space Odyssey, space travel led to the next phase of human evolution.

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"The human species is about evolution and is about moving forward, " said Eric Anderson, president of Space Adventures Ltd.

CNN: Opening the space frontier, one tourist at a time