目的：设计出新型交锁髓内钉用于治疗肱骨骨折。
Objective: Design new interlocking intramedullary nail in treatment of humerus fracture.
设计出新型旋转圆盘电极体系回收金属镉，电流效率达到90%以上。
A rotating disc electrode system was designed to recover Cd and the current efficiency was over 90%.
本文分析比较了热压机液压系统的二种方案，并在此基础上优化设计出新型的液压系统。
This paper compared two methods of hydraulic system and, based upon them, a new hydraulic system was designed.
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