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→In physiology
在月经周期的卵泡期期间，雌激素的飙升会导致排卵。
在月经周期的卵泡期期间，雌激素的飙升会导致排卵。
* The generation of [[nerve signal]]s is another example, in which the membrane of a nerve fibre causes slight leakage of sodium ions through sodium channels, resulting in a change in the membrane potential, which in turn causes more opening of channels, and so on ([[Hodgkin cycle]]). So a slight initial leakage results in an explosion of sodium leakage which creates the nerve [[action potential]].<ref name=Guyton1991/>{{rp|page=59}}
* The generation of [[nerve signal]]s is another example, in which the membrane of a nerve fibre causes slight leakage of sodium ions through sodium channels, resulting in a change in the membrane potential, which in turn causes more opening of channels, and so on ([[Hodgkin cycle]]). So a slight initial leakage results in an explosion of sodium leakage which creates the nerve [[action potential]].<ref name=Guyton1991/>{{rp|page=59}}
贡纳尔 · 缪尔达尔Gunnar Myrdal描述了一个不平等和贫困加剧的恶性循环，这就是所谓的”循环累积因果关系”。
贡纳尔 · 缪尔达尔Gunnar Myrdal描述了一个不平等和贫困加剧的恶性循环，这就是所谓的”循环累积因果关系”。
==== In meteorology ====
==== In meteorology ====