Study Design. Prospective controlled study analyzing the donor site morbidity after reconstruction of full thickness iliac crest defects, using autologous rib grafts.
研究设计：前瞻性对照研究分析应用自体肋骨骨移植修复全层供骨后的髂棘骨缺损后缺损区的并发症。
This paper study the lateral braces by the analysis of classic theory and ANSYS limited member, and presents the design method of non-full braces.
本文以经典理论分析和ANSYS有限元分析对侧向水平中心支撑进行系统地研究，得出在现有的设计要求下不完全支撑的设计方法。
Experimental and analytical results show that the system can be used to study the friction drag of the vehicle models at certain speed range, which full-fills the design demand.
试验和分析结果表明，该系统在一定的速度范围内可以有效地测试航行器模型所受摩擦阻力，满足了设计要求。
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