| 单词 | Parabolic trajectory |
| 释义 |
Parabolic trajectory
原声例句
TED-Ed（视频版） A theory might invoke dominant and recessive genes to explain how brown-haired parents ended up with a red-headed child, or use gravity to shed light on the parabolic trajectory of a baseball. 一个理论可能会引入显性和隐性基因来解释为什么棕色头发的父母 会生出红色头发的小孩，或者运用重力来阐释棒球的抛物线轨迹。
英语百科
Parabolic trajectory  In astrodynamics or celestial mechanics a parabolic trajectory is a Kepler orbit with the eccentricity equal to 1. When moving away from the source it is called an escape orbit, otherwise a capture orbit. It is also sometimes referred to as a C3 = 0 orbit (see Characteristic energy). |
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