| 单词 | earth rotates |
| 释义 | earth rotates The gradually twisting path of the pendulum proved that the earth rotates as it moves through space. Christianity Today There he had a 24in mm reflector telescope, for which he pioneered the use of an equatorial mount for easy tracking of objects as the earth rotates. Retrieved from Wikipedia CC BY-SA 3.0 The light beams travel through vacuum tubes and are combined optically, requiring a building 100 meters long with movable mirrors to keep the light in phase as the earth rotates. Retrieved from Wikipedia CC BY-SA 3.0 |
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