太阳系中的八大行星都沿着同一方向在被叫作黄道面(这一平面与太阳赤道面形成微小的夹角)运行。
The eight planets of our solar system orbit in the same direction along what's called the ecliptic, a flat plane that's nearly aligned with the sun's equator.
肩髋夹角呈现由小到大再变小的规律；
The shoulder hip intersection angle appears from minor to changing greatly again law;
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