... precession of perihelion ==> 近日点进动 precession of the earth ==> 地球进动 precession of the equinox ==> 岁差,分点岁差 ...
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即使有几千年的地球自转轴的进动，太阳仍然以天文意义上的方式从巨石阵上方升起。
Even given the precession of the Earth's rotational axis over the millennia, the Sun continues to rise over Stonehenge in an astronomically significant way.
七十年代还安排了另一实验，它包括绕地球旋转的卫星中的陀螺进动性试验。
Another test, involving the precession of a gyroscope in a satellite circling the earth, is scheduled for the 1970s.
计算给出了一日内的卫星轨道，反映了在地球非球形摄动下轨道的变化情况，且对轨道面的进动进行了计算。
The orbit variation in one day under the nonspherical perturbation is shown and the motion of the orbit plane is computed.
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