perihelion

perihelion怎么读

英式音标：[ˌperɪ\'hi:lɪən]

美式音标：[ˌperɪ\'hilɪrn]

perihelion基本解释

n. [天] 近日点；较高点

perihelion的意思释义

n.

近日点；

变形

复数：perihelia

英英释义

n.periapsis in solar orbit; the point in the orbit of a planet or comet where it is nearest to the sun

perihelion用法及例句

双语例句

用作名词(n.)

A comet is at perihelion when it is closest to the sun.

彗星较接近太阳时，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。

例句参考

Mercury\'s Perihelion from Le Verrier to Einstein by N. T. Roseveare

On the recently determined anomalous perihelion precession of Saturn

Activity of comets at large heliocentric distances pre-perihelion

Photochemistry of Pluto\'s atmosphere and ionosphere near perihelion

Photometric behavior of comet Hale-Bopp (C/1995 O1) before perihelion.

The NASA Infrared Telescope Facility Comet Halley Monitoring Program II. Post-Perihelion Results

Excess open solar magnetic flux from satellite data: 1. Analysis of the third perihelion Ulysses pass

Optical Observations of Comet Hale-Bopp (C/1995 01) at Large Heliocentric Distances Before Perihelion

Solar quadrupole moment and purely relativistic gravitation contributions to Mercury\'s perihelion advance

perihelion词源

perihelion (n.)

\"point at which a celestial body is nearest the Sun,\" 1680s, coined in Modern Latin (perihelium) by Kepler (1596) from Latinizations of Greek peri \"near\" (see peri-) + helios \"sun\" (see sol). Subsequently re-Greeked.

perihelion相关例句

1.longitude of perihelion

近日点黄经

2.perihelion motion

近日点移动

3.perihelion effect

近日点效应

4.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，就会引起较大的潮汐。

6.argument of perihelion

近日点幅角

7.perihelion distance

近日距

8.time of perihelion passage

过近日点时刻

9.precession of perihelion

近日点进动

10.A comet is at perihelion when it is closest (=very close) to the sun.

彗星较接近太阳时，它就是在近日点。