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space intelligence
航天情报
中国在进行航天事业战略部署、战术决策、工程建设及技术研发等过程中,由航天系统专业研究机构开展的情报跟踪、研究和支撑服务。具有预警、导向和支撑功能。
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residuation operation
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Residue Analysis
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