| 单词 | radio-frequency spectrum |
| 例句 | Submitting to the ITU—a United Nations agency that, among other things, manages the global satellite radio-frequency spectrum—is a preliminary step, as SpaceNews noted. SpaceX’s Starlink Constellation Could Swell by 30,000 More Satellites 2019-10-17T04:00:00Z The IMT-Advanced system uses radio-frequency spectrum much more efficiently, and devices built with it will need less bandwidth to access the Internet, stream videos and transfer data. UN Clears the Way For Faster Mobile Devices 2012-01-19T19:50:00Z |
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