“grassland ecological threshold”的概念、定义、翻译、参考文献-科学参考

单词	grassland ecological threshold
释义	grassland ecological threshold Encyclopedia 农学草地生态阈值释 grassland ecological threshold草地生态阈值草地生态系统在不断降低和破坏其自我调节能力的前提下所能忍受的最大限度的外界压力（临界值），主要是指家畜采食、人类活动等对其影响的最大范围。
随便看	preservative treated wood preservatize preservatory preserved context index preserved corpse preserved fruit preserving preserving and accessing networked documentary resources of Australia preserving stationary set preset preset aperture ring preset diaphragm presetting presheaf presheaf of abelian groups presheaf of groups presheaf of sets presheaf structure preshoot preshot pre-shrinking preshrunk Presidential-Libraries Presidential Records Act president of the People's Republic of China

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