The optimal harvesting problem for a semi-linear age-dependent time-varying population system is discussed.
讨论了年龄相关的半线性时变种群系统的最优捕获控制问题。
Fan J and Gijbels I gave the asymptotic normality of local polynomial regression estimation in dependent time series, where the weighted function is bounded.
对相依时间序列数据，在一定的条件下已有人证明了局部多项式加权回归系数估计服从渐近正态分布，其中核函数是有界的。
Objective: to observe the ultrastructure and synaptic number of cerebral regions related to psychological dependence in rats with different morphine dependent time.
目的：观察不同时程吗啡依赖大鼠心理依赖相关脑区超微结构和突触数量的变化。
Objective: to observe the ultrastructure and synaptic number of cerebral regions related to psychological dependence in rats with different morphine dependent time.
目的：观察不同时程吗啡依赖大鼠心理依赖相关脑区超微结构和突触数量的变化。
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