surface modification technology 基本例句 表面改性技术 The cathode vacuum arc ion source and ion implantation facility have been developed in our institute for industrial application of surface modification of materials.摘要为发展金属离子束材料表面改性技术的工业应用，北师大低能核物理所研制成阴极真空弧离子源和离子注入装置。