Because the research of forest classification management system in our country started rather late-the weak in the basic research-many classification management systems have not universally cognitive.
由于我国开展森林分类经营制度研究起步较晚，基础研究环节薄弱，很多分类经营的相关制度还未得到普遍认知。
According to the need of classification management, the authors. classify the function of the present forest and advance the principle and fundation of the function classification.
依据分类经营的需要、对现有林进行功能分类，提出功能分类的原则和依据。
According to the need of classification management, the authors. classify the function of the present forest and advance the principle and fundation of the function classification.
依据分类经营的需要、对现有林进行功能分类，提出功能分类的原则和依据。
应用推荐