A discrete system simulation model based on tool inventory theory with self-digestive engine was established in this paper, and recovering ability and life-span characteristics were given.
基于具有自消化引擎的刀具库存理论，考虑刀具使用过程中的自修复及刀具的生命递减，建立了一个离散的系统仿真模型。
Background and Objective: With the therapeutic tool of carcinoma increasing, life span extending, the solicitude for the patients 'quality of life appear more important.
背景和目的：随着恶性肿瘤治疗方法的不断提高，患者生存期不断延长，对患者生活质量的关注愈发显得重要。
Background and Objective: With the therapeutic tool of carcinoma increasing, life span extending, the solicitude for the patients 'quality of life appear more important.
背景和目的：随着恶性肿瘤治疗方法的不断提高，患者生存期不断延长，对患者生活质量的关注愈发显得重要。
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