“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	work-related accident investigation work-related diseases work-related injury work-related injury insurance work-related injury prevention work-related stress work relief work restoration work rules works work safety administration work safety and health law and regulation system work safety and health obligations of employees work safety and health under the rule by law Work Safety Committee of the State Council work safety expert work safety information system work safety intermediary organization Work Safety Law of the People's Republic of China work safety liability insurance work safety management organization work safety manager work safety standardization work safety standardization cassificationl work safety supervision administration

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