文中较详细地介绍了复杂结构模型修改新技术、虚拟模态试验技术和振动台虚拟振动试验技术。
The new techniques are described in detail, including the mathematical model updating for complex structures, the virtual modal test techniques and the virtual vibration test techniques of shaker.
完成基于设计历史的版本图结构模型研究，描述和表示广义版本之间的复杂继承关系。
Fulfill the research of version graphic model based on design history, describe and express complex inheritance relationship of general versions.
由于工程体型复杂，进行了结构模型试验，模型试验的结果表明工程所采用的结构形式是安全合理的。
Because this project is complex, it has performed an experiment on the structure model. The result indicates that this kind of structural system is safe and reasonable.
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