activity of phosphatase的用法和樣例：
例句
- The cell growth rate and alkaline phosphatase activity are higher in PDLC than that in GF.
鹼性磷酸酶活性測定及染色法顯示兩者有明顯的差別。 - Fertilization could also increase soil enzyme activities, and soil urease and phosphatase activities could be used as the indicators of soil fertility.
施肥還可增加土壤酶活性，其中，土壤脲酶和磷酸酶活性可以作為衡量土壤肥力水平的指標。
