small and medium-sized cities

• 中小城市

small and medium-sized cities的用法和样例：

例句

1. The paper improves forecast veracity and guides work of littoral medium and small cities' air quality forecast model.
   对沿海地区中小城市今后开展空气质量预报工作具有一定的指导意义。
2. Because this develops pyroelectricity couplet,be being produced is medium the only way of industry of power of small town progress.
   因此发展热电联产是中小城市发展电力工业的必由之路。