periapsis

基本解釋

• n.[天]近拱點(diǎn)

同根派生

• periapsis相關(guān)詞

英漢例句

• Periapsis in Earth orbit,the point in its orbit where a satellite is nearest to the Earth.
  以地球?yàn)橹行牡淖罱c(diǎn)，人造衛(wèi)星軌道上離地球中心最近的點(diǎn)。
• The angular distance of a point in an orbit past the point of periapsis measured in degrees.
  穿過(guò)用角度來(lái)測(cè)量的進(jìn)拱點(diǎn)的一個(gè)軌道里的某點(diǎn)的角距離。
• The repeated thrust applications at apoapsis would raise periapsis from inside to outside the stationary orbit.
  重復(fù)在遠(yuǎn)心點(diǎn)施以推力，會(huì)將近心點(diǎn)由同步軌道內(nèi)提升到同步軌道外。
• 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(diǎn)附近啟動(dòng)纜索以產(chǎn)生拖曳力（可用能量）并在其他地方關(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(diǎn)附近啟動(dòng)纜索以產(chǎn)生拖曳力（及可用能量），并在其他地方關(guān)閉它。

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