“forestry policy history”的概念、定义、翻译、参考文献-科学参考

单词	forestry policy history
释义	forestry policy history Encyclopedia 农学林业政策史释 forestry policy history中国林业政策史中国古代一直到现代的林业管理及其制度，从发端而奠基，经过进一步发展而逐渐成熟，经历了一个漫长而曲折的发展过程。
随便看	directed spanning tree directed strongly regular graph directed system directed technical change directed tetrahedron directed the security work of large-scale activities directed tree directed triple system directed union directed value directed web directed xy walk directed xy-walk direct effect direct effects hypothesis direct election direct electric heating method direct energy conversion operation direct ethanol fuel cell direct evaluation of external corrosion of oil and gas pipelines direct evaluation of internal corrosion of oil and gas pipelines direct exchange interaction direct expansion method direct-expansion refrigeration direct expense coefficient

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