perigee

形容词：

形容词: perigeal

更多词形：

形容词: perigeal |

单词例句：

The time between two passages at the perigee (of the Moon).

月球连续两次经过近地点所需的时间。

To make maximum use of the applied thrust, the perigee distance was chosen at a point where the atmospheric drag was negligible and this distance was held constant throughout the escape maneuver.

扑翼飞行器的主要特点是将升力、推进的功能集合于扑翼系统中，由减速齿轮组及四连杆扑翼机构将引擎输出动力转换成所需工作转速及拍扑动作。

Altitude performance prediction of perigee kick motor nozzle

近地点变轨发动机高空喷管性能预示研究

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。

It also occurred when the New Moon was near Perigee, the closest point to Earth in the Moon's elliptical orbit, making the Moon near its largest apparent size.

同时，新月正好处于近日点附近，也就是月球轨道上离地球最近的一点，又使得月亮的视尺寸接近最大。

Altitude of the apogee or of the Perigee

远地点或近地点的高度

Due to lunar precession, this time is longer than that if the perigee's position was fixed.

由于月岁差的关系，这个时间比近地点不变的情况下所需之时间长。

It will reach its perigee (nearest point to the earth) tomorrow around this time.

看来贪多求快最终是要有问题的！

In fact, the Moon will reach its full phase within a few hours of perigee, the closest point in its elliptical orbit, making it the largest Full Moon of 2007.

事实上，在近地点（就是椭圆轨道上最接近地球的点）位置上，月球将在数小时内达到满月相位，从而形成了2007年最大满月。