双语例句
In this paper, spatial and temporal distribution characteristics of city ambient air pollution in China were summarized based on API data that were published by SEPA.
本文应用国家环保总局发布的城市空气质量日报的数据,研究了2001~2004年我国主要城市空气污染的时空分布特征。
词典释义:
时空分布特征
In this paper, spatial and temporal distribution characteristics of city ambient air pollution in China were summarized based on API data that were published by SEPA.
本文应用国家环保总局发布的城市空气质量日报的数据,研究了2001~2004年我国主要城市空气污染的时空分布特征。