Pic Title: Escape velocity is defined Related Phrase: 逃逸速度: 定义 Source: http://pic.wenwen.soso.com/ Pic Description: 　　Find an aircraft does not reach escape velocity and left the gravitational source is not seeking to become a satellite of the aircraft does not reach escape velocity and left the gravitational source does not become its satellites Translated by Google No. / 2 Picture

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