| 单词 | 地面站 |
| 释义 | 〔minitrack〕An electronic system designed to follow the course of satellites and rockets and correlate radio signals received by a network of ground stations.卫星跟踪系统：设计用来跟踪卫星或火箭的航线并将地面站网接受到的无线电信号相互关联的电子系统〔loran〕A long-range navigational system in which position is determined by an analysis involving the time intervals between pulsed radio signals from two or more pairs of ground stations of known position.洛伦：一种长距离导航系统，通过对两个或更多对已知位置的地面站发出的无信电脉冲的时间间隔的分析来测定方位 |
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