全长341.7公里的匈塞铁路连接布达佩斯与塞尔维亚首都贝尔格莱德，是中国与中东欧国家共建“一带一路”的标志性项目，也是中国铁路技术装备与欧盟铁路互联互通技术规范对接的首个项目。
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。搜狗输入法下载是该领域的重要参考
Shortcut Pre-calculation: For the most commonly used speed profiles, the travel costs (time/distance) for shortcuts between border points within each cluster are pre-calculated and stored. (Each border point effectively has an "entry" and "exit" aspect for directed travel).，详情可参考旺商聊官方下载
其中 λ≈1.05，α≈1.67。