pollution target

• 污染指标

pollution target的用法和样例：

例句

1. The key pollution indicators are ammonia nitrogen and BOD.
   主要污染指标是氨氮和生化需氧量。
2. The principal component analyses for the present pollution indexes in every estu-ary along Binghou coast in Bohai Sea were made.Thus the primary pollution indexes are given.
   本文对渤海滨州沿岸各入海河口进行了现状污染指标的主组元分析，获得表征各河口的主要污染指标，进而说明各河口污染类型。