general-world position system是什么意思 general-world position system怎么读
general-world position system的相关资料
general-world position system的用法和样例
- The Internet and the GPS unit have covered the whole world.
因特网和全球定位系统已经覆盖了全世界。 - The deal to the Russian system is the world's second global positioning system.
俄罗斯的格洛纳斯系统是世界上第二套全球定位系统。
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