periapsis

常見例句

• Periapsis in Earth orbit,the point in its orbit where a satellite is nearest to the Earth.
  以地球爲(wèi)中心的最近點，人造衛(wèi)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(yuǎn)心點施以推力，會將近心點由同步軌道內(nèi)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(wù)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(guān)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(wù)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(guān)閉它。
• 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.
  根據(jù)軌道動力學(xué)的原則，施加拖曳或推進力最有傚率的位置是軌道中最靠近及最遠(yuǎn)離木星的點（分別爲(wèi)近心點與遠(yuǎn)心點）。
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