| 单词 | astronomical instruments |
| 释义 | astronomical instruments The extensive collection features more than 170 photographs along with prints, paintings, films, astronomical instruments and cameras used by astronauts in outer space. Retrieved from Wikipedia CC BY-SA 3.0 The firm produced hundreds of astronomical instruments such as mural circles, transit circles, sextants, and other astronomical instruments for observatories around the world. Retrieved from Wikipedia CC BY-SA 3.0 The detection of these transient events demands a program of constant surveillance of the moon with suitable astronomical instruments. Retrieved from Wikipedia CC BY-SA 3.0 While he used and described a number of astronomical instruments, telescopes were not one of them. Retrieved from Wikipedia CC BY-SA 3.0 Astronomical instruments show little change of the length of chi in the following centuries, since the calendar needed to be consistent. Retrieved from Wikipedia CC BY-SA 3.0 |
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