small and medium-sized city的用法和樣例：
例句
- The paper improves forecast veracity and guides work of littoral medium and small cities' air quality forecast model.
對沿海地區中小城市今后開(kāi)展空氣質(zhì)量預報工作具有一定的指導意義。 - Yiyang is a middle city which locates in the southern central China.Its urban culture has certain representation.
摘要益陽(yáng)作為中國中部地區的一座中小城市，其城市文化具有一定的代表性。
