查询词典 perigee

In this paper, variations of AE-D's perigee altitudes, the corresponding atmospheric expansion and the density distributions are analyzed.

本文分析了AE D极轨卫星近地点的变化及其相应的大气膨胀和密度分布情况。

The point in an orbit at which the satellite is closest to the Earth is known as the perigee.

轨道上离地球最近的点称为近地点。

Mistakenly believe that doing elliptical motion of the satellite perigee and apogee of the orbit radius of curvature different.

错误地认为做椭圆运动的卫星在近地点和远地点的轨道曲率半径不同。

In this paper, variations of AED's perigee altitudes, the corresponding atmospheric expansion and the density distributions are analyzed.

文分析了AED极轨卫星近地点的变化及其相应的大气膨胀和密度分布情况。

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。

Scientists call these perigean tides, because the moon's closest point to Earth is called perigee .

科学家称之为近地潮汐，因为月球离地球的最近点称为近地点。

Now we also need to determine the ecliptic longitude of perigee of the sun on this same day. This changes very slowly, thus we need know only the year to compute it with sufficient accuracy.

现在，我们还需要确定黄道经度的近地点的太阳就这同一天，这变化非常缓慢，因此，我们需要知道，只有今年来计算，它有足够的精度。

The Moon reaches its absolute perigee once a year.

月球每年有一次达到它的绝对近地点。

The rocket which was designed to take photographs of the moon was launched as the moon approached its perigee.

预定拍摄月球照片的那枚火箭，在月球接近近地点时发射升空。

Therefore, the perigee is lower at low latitude and it is lower by day than at night.

高纬区内Zt 高低与纬度几乎无关，但对磁暴的响应十分明显。

I can not make it blossom and suits me

我不能让树为我开花

When temperatures are above approximately 80 °C discolouration of the raceways or rolling elements is a frequent feature.

当温度高于 80 °C 左右时，滚道或滚动元件褪色是很常见的特征。