Study on the Characters of Structure and Regeneration in Spruc-Fir Mixed Stands of Coniferous and Broad-leaved Trees in the Over-logged Forest of Changbai Mountains. 长白山过伐林区云冷杉针阔混交林结构与更新特征的研究。
coniferous and broadleaved mixed forests怎么读 coniferous and broadleaved mixed forests是什么意思