structural borne sound 基本例句 结构噪声 Therefore, it is helpful to reduce the noise with computer-aided design technique, in particular, the design optimization method of structural and multidisciplinary systems.因此,应用计算机辅助设计技术,特别是结构和多学科系统的优化设计方法,来降低结构噪声是有实际意义的。