changing characteristic是什么意思 changing characteristic怎么读
changing characteristic的相关资料
changing characteristic的用法和样例
- Season Change Characteristics of Main Pollutants in Surface Water of Zhuozhang River Basin.
浊漳河流域地表水主要污染物季节变化特征。 - 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。
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