Common-sense physical reasoning in the real world requires learning about interactions of objects and their dynamics. The notion an abstract object, however, encompasses a wide variety that differ greatly terms complex behaviors they support. To address this, we propose novel approach to models as hierarchies parts may locally behave separately, but also act more globally single whole. Unlike p...

background: since the industrial revolution, the rate of industrialization and urbanization has increased dramatically. regarding this issue, specific regions mostly located in developing countries have been confronted with serious problems, particularly environmental problems among which air pollution is of high importance. methods: eleven parameters, including co, so 2 , pm 10 , pm 2.5 , o 3 ...

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