terrestrial radio navigation system
terrestrial radio navigation system
地面无线电导航系统
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Each probe can pick up GPS signals and signals from eLoran, an enhanced version of Loran, the ground-based terrestrial radio-navigation system first used by the American and British navies during the second world war.
ECONOMIST: GPS jamming