Based on the safety regulations of network coverage for high-speed railway, it analyzes the coverage features and difficulties on V ravine, short tunnel and ultra-long span bridge. Final y, it presents the best coverage solution for special scenario in high-speed railway.% 以高铁公网覆盖安全规定为基础，对V形槽道、短隧道、超长跨度大桥等几个特殊场景的覆盖特点和难点进行分析，并提出最佳方案。
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