采用虚数场描述万有引力场，其场能密度是负实数，满足能量守恒定律。
The universal gravitation field is described by imaginary number in the paper. It's energy density is negative real number. And it accord with conservation of energy.
研究在地球万有引力场和磁场中的磁性刚体航天器在圆轨道上的混沌姿态运动。
Chaotic attitude motion of a magnetic rigid spacecraft in a circular orbit of the earth is treated.
研究在地球万有引力场和磁场中的磁性刚体航天器在圆轨道上的混沌姿态运动。
Chaotic attitude motion of a magnetic rigid spacecraft in a circular orbit of the earth is treated.
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