| 单词 | planetary orbit |
| 释义 | planetary orbit This might also include transformation of the surface conditions, changes in the planetary orbit, and structures in orbit intended to modify the energy balance. Retrieved from Wikipedia CC BY-SA 3.0 The required sail orientation changes slowly (often less than 1 degree per day) in interplanetary space, but much more rapidly in a planetary orbit. Retrieved from Wikipedia CC BY-SA 3.0 In celestial mechanics, he found improved methods to deduce a planetary orbit from observations, and analysed the mathematics of perturbations in planetary motions. Retrieved from Wikipedia CC BY-SA 3.0 Let be the conventional polar angle describing a planetary orbit. Retrieved from Wikipedia CC BY-SA 3.0 A growing dragon flew into planetary orbit and fell. Retrieved from Wikipedia CC BY-SA 3.0 |
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