| − | 简单逻辑斯谛曲线的示意图。增长率函数在同一图上以钟形曲线表示。引自<ref>Kucharavy, D., DDe Guio, R. (2015). Application of logistic growth curve. Procedia engineering, 131, 280-290. https://doi.org/10.1016/j.proeng.2015.12.390</ref> | + | 简单逻辑斯谛曲线的示意图。增长率函数在同一图上以钟形曲线表示。引自<ref>Kucharavy, D., Roland, DG. (2015). Application of logistic growth curve. Procedia engineering, 131, 280-290. https://doi.org/10.1016/j.proeng.2015.12.390</ref> |