According to the characteristics of SBS modified asphalt and natural asphalt, the design method has been applied by the author.
根据SBS改性沥青和天然沥青的特点，提出设计方法。
Based on the characteristics of this problem, a modified variable neighborhood search method (VNS) is proposed for solving it.
针对推广模型的特点，提出了一种变邻域搜索(VNS)方法进行求解。
Based on the dynamic characteristics obtained with three dimension finite element method, the reduced mechanical model and parameters of lift ship structure can be modified and obtained.
利用三维有限元方法计算的结构动力特性和简化结构动力特性相等的原则修正升船结构简化力学模型，并确定了等效的升船机简化结构模型和系统参数。
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