“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	frequency characteristic of sound pressure frequency chart frequency chirp frequency coding frequency collapse frequency comparision frequency compensation frequency conversion frequency conversion circuit frequency conversion technique frequency conversion transformation of fan and water pump frequency converter frequency counter frequency criterion frequency curve frequency cutoff frequency dependence selection frequency-dependent conductivity frequency deviation frequency diagram frequency dictionary frequency difference splitting technique frequency discriminator frequency dispersion frequency distribution

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