... LIS Loran Inertial System 罗兰惯性导航系统 Loran positioning system 罗兰定位系统 Loran-C system 罗兰C系统 ...
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Loran-C positioning system 罗兰
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Just one year ago, the Bush administration announced it would keep the ground-based LORAN system operational to serve as a backup for the satellite-based global positioning systems, which are becoming ubiquitous in cars, planes and ships.
CNN: Navigation system, aid to farmers among budget cuts
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