“Public Rangelands Improvement Act”的概念、定义、翻译、参考文献-科学参考

单词	Public Rangelands Improvement Act
释义	Public Rangelands Improvement Act Encyclopedia 农学《公共草原改良法》释 Public Rangelands Improvement Act《公共草原改良法》 1978年美国国会（United States Congress）通过立法提出的一系列草地管理方式，确立了草地放牧费计算公式，并为草原管理制定草原监测和清查程序。
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