With toxic friends we wither, sometimes knowingly other times unknowingly, but regardless the deteriorating effect is still the same.
和损友在一起，我们会凋谢，无法捉摸，对不断恶化的后果不管不顾。
Inventory model of deteriorating items with deterministic time of effect under general demand is proposed to find the optimal solution under linear demand.
给出一般需求下有保质期的变质性物品的存贮模型，求得线性需求时的最优解。
Inventory model of deteriorating items with deterministic time of effect under general demand is proposed to find the optimal solution under linear demand.
给出一般需求下有保质期的变质性物品的存贮模型，求得线性需求时的最优解。
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