| 释义 |
periapsis
英音 [ ˌperɪˈæpsɪs ]
美音 [ ˌperɪˈæpsɪs ]
释义
n. [天] 近拱点
变形
periapses
复数
例句
1·Periapsis in earth orbit; the point in its orbit where a satellite is nearest to the earth.
以地球为中心的最近点；人造卫星轨道上离地球中心最近的点。
2·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。
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