spatial and seasonal variation的用法和樣例：
例句
- The variation characteristics of shallow confined groundwater are similar with phreatic water.
淺層承壓水含水組的地下水質(zhì)變化特征和潛水基本一致。 - A preliminary analysis of causes for the spatial and temporal variation characteristics of SSC in the sea area is also made.
對長(cháng)江口外及鄰近海域含沙量時(shí)空變化特征的原因進(jìn)行了初步分析。
