详细释义
- 最高点
- 【天】近日点
- 极点
n. (名词)
英英释义
Noun:
-
periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun
双语例句
- 1. When perigee and perihelion coincide tidal range is at its greatest.
- 当月球与地球到达它们的近地点和近日点的时间恰好重合时,就会引起最大的潮汐.
来自辞典例句
- 2. The anomalistic year is the time between successive transits of the Earth through the perihelion.
- 近点年是地球连续两次通过近日点之间的时间.
来自辞典例句
- 3. How much does the direction of perihelion change each orbit?
- 近日点方向使每个轨道改变了 多少 ?
来自互联网
- 4. The angular deviation, as observed from the sun, of a planet from its perihelion.
- 近点距离, 近点角从太阳观察到的行星距近日点的角度偏差.
来自互联网
- A comet is at perihelion when it is closest to the sun.
彗星最接近太阳时，它就是在近日点。 - The anomalistic year is the time between successive transits of the Earth through the perihelion.
近点年是地球连续两次通过近日点之间的时间。
用作名词 (n.)
用法讲解
- perihelion distance 近日距
- advance of the perihelion 近日点前移
相关词汇
- aphelion 远核点
【反义词】
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