acidity and basicity

• 酸碱性

acidity and basicity的用法和样例：

例句

1. In acid and alkali soil, there are mainly indissoluble bivalent or trivalent phosphates, which cannot be utilized by plants.
   在酸碱性土壤中，磷主要以植物难以吸收利用的难溶性二价或三价阳离子的形式存在。
2. The interrelations between acid rain and soil ecosystem are analysed.Acid rain could change soil acidity, enhance soil toxicity, reduce soil active,destroy soil structure.
   酸雨能改变土壤生态系统中土壤酸碱性，增加土壤毒害，降低土壤活性，破坏土壤结构，同时土壤生态系统影响酸雨的形成和污染。