有了螺旋锥法，很快就能得出方向，通过运用右手螺旋法则。
But I immediately have the direction by using the corkscrew rule.
对圆形区域法进行改进，以右手螺旋法则构造三角形模式的几何特征；
Importing the geometry character of the triangular mode by the right-hand rule;
如果你想使用。,螺旋锥法则,必须保证自己是,在用右手坐标系。
You must work... if you use the right-hand corkscrew rule make sure you work with the right-handed coordinate system.
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