名词
中文翻译：Unknown
同义词：
['system of navigation', 'positioning system', 'tracking system']
例句：
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1. The satellite navigation system is crucial forlocating our ships in the vastocean.
卫星导航系统对于在广阔海洋中找到我们的船只至关重要。
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2. The new positioningsystem has greatly improved the accuracy of ourmapping work.
新的定位系统大大提高了我们制图工作的准确性。
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3. The tracking system helpsus monitor the movements of the aircraft inreal-time.
跟踪系统帮助我们实时监控飞机的移动情况。