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sun-synchronous orbit
释义
sun-synchronous orbit
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工学
﹝常用航天器轨道﹞
释
sun-synchronous orbit
太阳同步轨道
轨道平面绕地球自转轴旋转的方向与地球公转方向相同、旋转角速度等于地球公转的平均角速度(0.9856°/天或360°/年)的人造地球卫星轨道。
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