periapsis
基本解释
- n.[天]近拱點
英汉例句
- Periapsis in Earth orbit,the point in its orbit where a satellite is nearest to the Earth.
以地球爲中心的最近點，人造衛星軌道上離地球中心最近的點。 - The angular distance of a point in an orbit past the point of periapsis measured in degrees.
穿過用角度來測量的進拱點的一個軌道裡的某點的角距離。 - The repeated thrust applications at apoapsis would raise periapsis from inside to outside the stationary orbit.
重複在遠心點施以推力，會將近心點由同步軌道內提陞到同步軌道外。 - As the spacecraft went around and around Jupiter, mission controllers would turn on the tether near periapsis to produce drag( and usable power) and turn it off elsewhere.
隨著太空船一遍遍地繞行木星，任務控制者將在近心點附近啓動纜索以産生拖曳力（可用能量）竝在其他地方關閉它。 - As the spacecraft went around and around Jupiter, mission controllers would turn on the tether near periapsis to produce drag (and usable power) and turn it off elsewhere.
隨著太空船一遍遍地繞行木星，任務控制者將在近心點附近啓動纜索以産生拖曳力（及可用能量），竝在其他地方關閉它。