对跖点，也称对趾点，是地球同一直径的两个端点，指通过地心的直线连接的地球表面两点，是地球表面能达到的最远的两个点。
其核心特征为：经度相差 180°，纬度数值相等且南北半球相反，相距约 20000 千米。
Antipodes，also called antipodal points， are the two endpoints of the same diameter of the Earth. They refer to two points on the Earth's surface connected by a straight line passing through the center of the Earth, and are the two farthest points reachable on the Earth's surface.
Their core characteristics are: a 180° difference in longitude, equal latitudes with opposite hemispheres (north and south), and a distance of approximately 20,000 kilometers.
KPI: Key Performance Indicator 关键绩效指标
ADV: Adventure Motorcycle 探险摩托车
SUV: Sport Utility Vehicle 运动型多用途汽车
