“global positioning system，GPS”的概念、定义、翻译、参考文献-科学参考

单词	global positioning system，GPS
释义	global positioning system，GPS Encyclopedia 工学全球卫星导航定位系统释 global positioning system，GPS全球定位系统美国的军民两用天基无线电定位、导航和报时系统。该系统使用户能很精确地判定其位置。
随便看	density of the thinnest sphere covering density of volumetric hydrogen storage density operator density parameter density peak density perturbation density point density profile density secondary standard device density sensor density-size relation density slicing density structure of lithosphere density structure of the upper mantle density test density theorem density threshold density topology density variable density variation density wave density-wave instabilities density-wave model density wave theory density-wave theory

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