periapsis

periapsis

美 [ˌperɪ'æpsɪs] 　英 [perɪ'æpsɪs]

• n.〔天〕近拱点
• 网络近心点；近质心点；近地点

词形变化

复数：periapsides  

英汉解释

n.

1. 〔天〕近拱点

英英解释

n.	1. the point in an orbit that is nearest to the center of gravitational attraction

例句

Now thrust could be generated (for "free" again) at periapsis, progressively increasing the altitude of apoapsis .

这时可以「免费」在近心点产生推力，渐渐将远心点的高度提升。

The repeated thrust applications at apoapsis would raise periapsis from inside to outside the stationary orbit.

重复在远心点施以推力，会将近心点由同步轨道内提升到同步轨道外。

periapsis in orbit around the moon .

以月球为中心的轨道的最近点。