The internal structure of the scaffold was designed to establish the entity model of bone tissue engineering scaffold successfully with computer-aided design software.
计算机辅助设计软件设计支架内部结构成功地建立了骨组织工程支架的实体模型。
The system model based on computer aided design and expert system techniques is established through analytical studying on the engineering data of rock drift tunneling.
通过对岩巷掘进工程资料的分析研究，建立了基于辅助设计和专家系统技术的系统模型。
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