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近日点

na.【天】perihelion
网络perihelion passage; perigee; perihelia

近日点

近日点

英-汉网络释义

近日点

na.

1.【天】perihelion

1

In all this Cuban business there is one man stands out on the horizon of my memory like Mars at perihelion .

在所有与古巴有关的故事中，有一个人令我无法忘怀，他就像近日点的火星一样耀眼。

2

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？

4

position of a planet as defined by its angular distance from its perihelion (as observed from the sun).

从太阳观察到的行星距近日点的角度偏差。

5

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。

6

Otherwise difficult to notice , the change in the Sun's apparent diameter between Perihelion and Aphelion is clear .

我们很难用肉眼看出近日点和远日点太阳视直径的变化，但在这张图上显而易见。

8

But it 's not that simple either, because the dates of the perihelion and aphelion are also shifting .

但这并不是简单的一件事情，因为近日点和远日点的日期都会变换。

9

The great comet of 1882, for example, almost grazed the sun, being only about 290, 000 miles away from the sun's surface at perihelion .

例如一八八二年出现的大彗星几乎擦过太阳，因为它的近日点距离太阳表面仅仅大约廿九万哩。

10

When Mars is at opposition and at perihelion--at the same time--it is very close to Earth .

当火星对冲又在近日点时，她离地球总是很近。

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