“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	gravitational freeze-out gravitational heat pipe gravitational instability gravitational interaction gravitational lens gravitational lens effect gravitational lensing gravitational lensing effect gravitational mass gravitational metaphor gravitational micro-lens gravitational micro-lensing gravitational paradox gravitational potential gravitational potential energy gravitational potential well gravitational pressure drop in two-phase flow gravitational process for oily water treatment gravitational radiation gravitational radius gravitational red-shift gravitational redshift gravitational relaxation gravitational scattering gravitational settling

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