求翻译：Every system in stable chemical equilibrium submitted to the influence of an exterior force which tends to cause variation either in it s temperature or condensation ( pressure , concent ration , number of molecules in the unit of volume) ,in it s totality or only in some of it s part s , can undergo only those interior modifications change of temperature ,or of condensation ,of a sign cont rary to that resulting from the exterior force.是什么意思？

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