A linear array of ultrasonic transducers with the optimum directional characteristic : Soviet journal of nondestructive testing, vol. 27, no. 2, pp. 93–97 (Oct. 1991)
NDT & E International（1992）
关键词
nondestructive testing
AI 理解论文
溯源树
样例
生成溯源树，研究论文发展脉络
Chat Paper
正在生成论文摘要