variation characteristic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。 - The characteristic colour changes which are associated with the senescence of leaves of deciduous trees in autumn.
在秋天落葉樹(shù)的葉子顏色變化特征，是同衰老相聯(lián)系的。
