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近期,尽管非典给北京造成了种种不便,但是北京航天域决心用实际行动抗击非典,其重点工程项目的施工仍在紧锣密鼓的进行中。该工程旨在扩大航
Recently, despite all the inconvenience caused to Beijing by SARS, Beijing Aerospace Zone is determined to combat SARS through concrete actions and the construction of its key construction projects are still going on in full swing. The project aims to expand the navigation