本文采用非线性分析方法，研究生物种群动力学中一类拟线性抛物系统，得到解的整体存在性。
In this paper, using the methods in nonlinear analysis, this present paper, studies the quasilinear parabolic systems in population dynamics, and obtained the existence of the global solution.
研究思路更是进一步澄清了本文所采用的研究方法、拟解决的问题以及想表达的思想内容。
Research ideas in this paper is to further clarify the methodology used, intended to address concerns and would like to express the ideological content.
目的：本课题拟通过对全膝关节置换术后采用关节内置管与非置管的两种镇痛方法进行对比研究，试图论证置管法的术后镇痛疗效更理想。
Objective: to study the effects of intra-articular catheter analgesia after total knee arthroplasty as compared with non-catheter analgesia, and try to demonstrate a more effective analgesia protocol.
应用推荐