semimajor axis of ellipsoid 椭球长半轴 ; 地球长半轴
Semimajor axis [数] 半长轴
semimajor r axis 半长轴
Semimajor axis biased 半长轴偏置
So that's the reason why this semimajor axis is indeed such a horrendous number.
这就是为什么半长轴是,如此大的数字的原因。
The effect of rate of change for semimajor axis and inclination perturbation and drift of semimajor axis and inclination on the ground-track drift was analyzed.
分析了半长轴和倾角摄动变化率，以及初始半长轴和倾角偏置量对地面轨迹漂移的影响。
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