variation characteristic

• 变化特征

variation characteristic的用法和样例：

例句

1. The variation characteristics of shallow confined groundwater are similar with phreatic water.
   浅层承压水含水组的地下水质变化特征和潜水基本一致。
2. The characteristic colour changes which are associated with the senescence of leaves of deciduous trees in autumn.
   在秋天落叶树的叶子颜色变化特征，是同衰老相联系的。