近日点 meaning in English
[天文学] perihelion
◇近日点效应 perihelion effect
Examples
- 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。 - 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。 - A comet is at perihelion when it is closest ( = very close ) to the sun
彗星最接近太阳时，它就是在近日点。 - Perihelic opposition of mars
火星近日点冲