TN and TP

• 总氮

TN and TP的用法和样例：

例句

1. Dynamics of CSR and STN show the same trend.
   碳封存速率和土壤总氮呈现相同的趋势。
2. And we also give some advice on controlling and reducing the total quantity of TN, which was input into the groundwater.
   并针对控制及减少输入到地下水中总氮的总量提出了建议。