粒度和浓度是颗粒物的重要特征，它们是对大气颗粒物的其它性质进行研究的基础。
The research of morphologic eigenvalue is also basic, so it is necessary to measure the shape factor and fractal of particles.
粒度和浓度是颗粒物的重要特征，它们是对大气颗粒物的其它性质进行研究的基础。
The research of morphologic eigenvalue is also basic, so it is necessary to measure the shape factor and fractal of particles.
应用推荐