“grassland classification in China”的概念、定义、翻译、参考文献-科学参考

单词	grassland classification in China
释义	grassland classification in China Encyclopedia 农学中国草地分类法释 grassland classification in China中国草地分类法 20世纪80年代中国首次统一草地资源调查时，采用发生学—植被分类法，按类、亚类、组、型4个分类级，将覆盖全中国的天然草地划分为18个类、21个亚类、128个组、813个型的中国第一个完整的草地分类系统。
随便看	system of civil servants resignation system of classes system of cleaning production system of coefficients system of commission and appointment system of concurrent forces system of congruences system of conics system of conservation laws system of constitutional guarantee system of convergence system of coordinate system of coordinate neighborhoods system of coordinates system of coplanar forces system of coset representatives system of couples system of curves system of dependent functions system of differential equations system of differential operators system of Diophantine equations system of disease prevention and control system of distribution system of economic contracts

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