pollution characteristics

• 污染特征

pollution characteristics的用法和样例：

例句

1. We studied the heavy metal pollution of surface water, Xuzhou.
   文章对徐州市地表水体底泥重金属的污染特征进行了研究。
2. Pollution property of particulates in the air and its affecting factors at the traffic crossing in Beijing were studied.
   研究了北京市典型交通路口大气颗粒物的污染特征及影响因素。