It covers the whole forestry field, including the protection and management of forests, related rangelands, and water-sheds; utilization of forest products; and the economic aspects of forestry.
它涵盖了整个林业领域，包括森林、相关牧场和集水区的保护和管理，森林产品的利用以及林业的经济方面。
2
Utilization theory is the basic theory to evaluate forest environmental value.
应以效用论为基础对森林环境价值进行评价。
3
Chemical utilization of forest resources is one of the important fields of effective and sustainable utilization of forest resources.