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Terms for subject Earth sciences containing 空间 跟 踪 | all forms | in specified order only
ChineseEnglish
地外空间跟踪与通讯tracking and communication, extraterrestrial
空间跟踪和数据采集站网space tracking and data acquisition network
空间飞行跟踪与数据网美国国家航宇局spaceflight tracking and data network
美国空间研究所自动跟踪目标系统SRI automatic tracking system