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Summary
| Description |
English: Hydrogen maser used by Beidou navigation satellites displayed at China Science and Technology Museum.
中文：北斗导航卫星氢原子钟，展示于中国科学技术馆。 |
| Date | |
| Source | Own work |
| Author | Shujianyang |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 21:54, 10 July 2023 | | 2,400 × 1,600 (1.17 MB) | Shujianyang | Uploaded own work with UploadWizard |
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