Any disturbance to the body's state of equilibrium can produce stress.

对身体平衡状态的任何干扰都可能产生压力。

《牛津词典》

Vegetation dynamics is one of the key objects in modern ecology. This paper reviews the dichotomies, pathways and directions, equilibrium, disturbance, time and space patterns of vegetation dynamics.

植被动态是当前生态学研究的热点之一，本文论述了植被动态的双重性、途径和方向、平衡性以及干扰。

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