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纵观世界各国林业事业发展的进程,大体上都经历了森林破坏一发展林业一再形成森林的三个阶段.在这个漫长、艰辛的过程中,形成了林业科学和国民经济的重要组成部分林业产业.在这个进程中,人类从注重经济效益深化到认识森林的生态效益,并努力使二者结合起来,从而造福人类,无疑这是一种巨大的进步,奠定了林业事业在人类生活中的重要地位.同时,也应该看到,从破坏森林到再形成森林的漫长过程中,科学性和森林效益二者始终左右影响着林业建设的进程,没有科学理论的指导,人类生产活动是一种盲动,林业建设往往事倍功半甚至得不偿失,而没有效益的保证,林业建设的成果,也难以得到巩固.
Looking at the progress of the development of forestry in all countries in the world, they all generally experienced three stages of forest destruction and development of forestry: the formation of forestry industry In this process, mankind has made tremendous progress in laying emphasis on the importance of forestry in human life by focusing on the deepening of economic benefits, recognizing the ecological benefits of forests and trying to bring the two together to benefit mankind At the same time, we should also see that from the destruction of forests to the long process of re-formation of forests, both science and forest benefits have always influenced the process of forestry construction. Without scientific guidance, human activities are a kind of blind movements , Forestry construction often fails more than half, even without gains and losses, without the guarantee of efficiency, the achievements of forestry construction can hardly be consolidated.