The wings rotate through 90 to give it extremely high drag, which allows it to begin its slow deceleration through the atmosphere earlier and at higher altitudes than previous spaceflight re-entries.

 
  • 機翼會(huì )旋轉90度給自己。。拉力,這使它能更早地在通過(guò)大氣層時(shí),位于更高的高度時(shí)就開(kāi)始緩慢減速。
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