在部分生成锥内部凸-锥-凸映射下，得到了既有等式约束又有不等式约束的向量优化问题弱有效解的最优性必要条件。
Under the conditions of Partial ic-convex like Maps, optimality necessary conditions of weak efficient solutions for vector optimization problems with equality and inequality constraints are obtained.
在局部凸空间上利用严有效性的纯量化特征，研究严有效点的截口性质及稠密性质。
Using scalar characterization of a strictly efficient point in Locally convene Spaces, we study the section property and the density of strictly efficiency.
减小压盘凸耳和制动器壳体凸台间的周向间隙可减小制动时的冲击，有效地改善制动平顺性。
Reducing the circumferential gap between the platen protuberant and the brake shell protuberant can reduce braking impulse and improve the comfort effectively.
采用基于密度刚度插值模型和序列凸规划法中的移动渐近线方法求解优化模型。 通过经典算例验证了本方法的有效性。
The optimization problem can be solved based on the density-stiffness interpolation scheme and the method of moving asymptotes belonging to sequential convex programming approaches.
目的探讨国产球囊经皮椎体后凸成形术治疗疼痛性椎体压缩骨折的安全性及有效性。
Objective To study the efficacy, safety and cost-effectiveness of percutaneous kyphoplasty using domestic balloon system in the treatment of painful vertebral compression fractures.
本文给出多目标规划有效解适应鞍点准则的一个新的判别法，它不使用凸性的几何术语及凸分析中的概念。
This paper offers a new characterization method for an efficient solution of multiobjective programming satisfying the saddle point criteria.
结论单球囊扩张椎体后凸成形术治疗老年骨质疏松性脊柱压缩骨折可以有效缓解疼痛，恢复椎体高度，疗效满意。
Conclusion Bilateral transpedicular kyphoplasty with single balloon can relief the pain and restore the vertebral height effectively with better outcomes.
目的探讨脊柱去松质骨截骨（VCD）治疗僵硬性脊柱侧凸畸形的有效性及安全性。
Objective To explore the effectiveness and safety of vertebral column decancellation (VCD) for the management of rigid scoliosis.
目的针对严重脊柱角状后凸畸形设计一种新的矫形固定手术方式，观察手术的可行性、安全性和有效性。
Design a new surgical correction and fixation technique for severe angular kyphosis. Observe the feasibility, security and effectivity of the surgery.
目的针对严重脊柱角状后凸畸形设计一种新的矫形固定手术方式，观察手术的可行性、安全性和有效性。
Design a new surgical correction and fixation technique for severe angular kyphosis. Observe the feasibility, security and effectivity of the surgery.
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