本文采用有限元法，就三维楔形体结构对带自由表面流场的撞水过程进行了数值模拟。

By means of finite element method, a numerical simulation of water impact is proceeded for a three-dimensional wedge-shaped structure impacting on the fluid field with a free-surface.

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方法采用肱骨髁上楔形截骨加克氏针pds张力带内固定方法治疗23例儿童肘内翻畸形。

Methods 23 cases of cubitus varus deformity in children were treated by supracondylar wedge-shaped osteotomy and Kirschner wire and PDS tension band fixation.

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研制了在垫层料中锚固、带楔形板的新型模板翻升系统；

The inverting and lifting system for new form was developed, which it is anchored in cushion material.

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