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Vincenty和大圆距离计算之间的区别？
Python的geopy软件包具有两种距离测量技术：Great Circle和Vincenty的公式。 >>> from geopy.distance import great_circle >>> from geopy.distance import vincenty >>> p1 = (31.8300167,35.0662833) # (lat, lon) - https://goo.gl/maps/TQwDd >>> p2 = (31.8300000,35.0708167) # (lat, lon) - https://goo.gl/maps/lHrrg >>> vincenty(p1, p2).meters 429.16765838976664 >>> great_circle(p3, p4).meters 428.4088367903001 有什么区别？首选哪种距离测量？