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man hua hang kong yu hang tian
Pages: 60-62
Year: Issue:  10
Journal: Knowledge is Power

Abstract: 飞行环境 所有航空器都是在稠密大气层中飞行的,其工作高度有限.现代飞机最大飞行高度也就是距离地面30千米.一般飞机飞行高度都在20千米以下,如全球载客量最大的客机空中客车A380的飞行高度即为13.1千米.
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