dialect atlas

例句：

1. 1. Dialect atlases are essential for understanding the diversity of languages spoken in different regions.
   方言图集对于理解不同地区语言的多样性至关重要。
2. 2.The researcher compiled a dialect atlas to document the local speech patterns of the rural population.
   研究者编制了一份方言图集，以记录农村人口的地方言语模式。
3. 3.The atlas is a valuable resource for teaching and learning about regional dialects.
   该图集是教学和学习地区方言的重要资源。