| − | [[文件:Logistics Equation - Graph.png|缩略图|逻辑斯谛函数曲线示意<ref>{{cite web|title=Logistic Function|url=https://byjus.com/maths/logistic-function/|website=BYJU'S|access-date=2025-12-19}}</ref>]] | + | [[文件:Logistics Equation - Graph.png|缩略图|逻辑斯谛方程解的典型 S 型增长曲线示意图,展示种群数量随时间增长并逐渐趋近环境承载量的行为。<ref>{{cite web |