历史演变分期图

提示词

按提供的各期底图排列城镇演变序列，统一可比范围与方向，缺失年代保留空档，新旧水系与街线分别按该期资料。

Arrange a town-development sequence from period maps, aligning comparable extents and orientation while retaining missing-period gaps and each period’s documented waterways and streets.