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拱线变轨
释义
拱线变轨
Encyclopedia
理学
轨道控制
释
apsidal line transfer
拱线变轨
共面共拱线的两个椭圆轨道间通过两次脉冲推力实现的能量最省的轨道转移,转移轨道与原椭圆轨道在拱点处相切。又称拱线转移。
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Pines in Fairy Hall by Wang Jian
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pinewood wilt nematode
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PING
Ping
ping
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