目的了解疝环充填式无张力疝修补术后网塞与成型补片的形态，探讨改进手术方法的必要性。
Objective Investigate the shape of plug mesh and patch after plug-mesh hernia repair and discuss the necessity of improving the operative procedures.
令牌环网-就像一个公交车环路，环路上有菊式链节点。
剖析绿地系统规划中存在的问题和矛盾，提出城市绿地系统应该采用环网式的布局结构，使城市生态系统达到相对的稳定，使新建绿地与原有绿地能很好地衔接起来。
In order to analyze the problems and contradictions of green space system planning in Changchun, I suggest the urban green space system should adopt the layout structure of ring and radial.
又是高压开关柜、环网框、高、低压预装式变电站必备的配套产品。
High voltage switchgear, and ring net frame, high and low voltage substation the necessary supporting preinstalled type products.
方法：使用美国巴德公司生产的锥形疝环充填网塞和网状补片，对2 37例老年人腹股沟疝施行疝环充填式无张力疝修补手术。
Methods: The mesh plug tension free hernia repair was applied to 237 senior patients of groin hernia, using Bard R Mesh & Prefix R plug offered by Bard Company in U. S. A.
方法：使用美国巴德公司生产的锥形疝环充填网塞和网状补片，对2 37例老年人腹股沟疝施行疝环充填式无张力疝修补手术。
Methods: The mesh plug tension free hernia repair was applied to 237 senior patients of groin hernia, using Bard R Mesh & Prefix R plug offered by Bard Company in U. S. A.
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