periapsis

基本解释

• n.[天]近拱点

同根派生

英汉例句

• 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。
• The angular distance of a point in an orbit past the point of periapsis measured in degrees.
  穿过用角度来测量的进拱点的一个轨道里的某点的角距离。
• 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。
• 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.
  随著太空船一遍遍地绕行木星，任务控制者将在近心点附近启动缆索以产生拖曳力（可用能量）并在其他地方关闭它。
• 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.
  随著太空船一遍遍地绕行木星，任务控制者将在近心点附近启动缆索以产生拖曳力（及可用能量），并在其他地方关闭它。