algae population造句

例句与造句

1. The research soil samples are from maoxian and from sichuan university especially . the results show that the two kinds of soils differ greatly in soil algae population , microorganism number and soil phosphate activity
   研究结果显示贫瘠土壤与肥沃土壤之间的土壤藻类种群结构(土壤藻类的数量和土壤藻类的优势种群) 、微生物数量和土壤磷酸酶活性均有很大的差别。
2. It's difficult to find algae population in a sentence. 用algae population造句挺难的