periapsis

常见例句

• 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。
• According to the principles of orbital dynamics, the most efficient places to apply drag or thrust are the points in the orbit nearest (periapsis) and farthest (apoapsis) from Jupiter.
  根据轨道动力学的原则，施加拖曳或推进力最有效率的位置是轨道中最靠近及最远离木星的点（分别为近心点与远心点）。
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