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较系统地阐述和分析了金属注射成形在粉末冶金学科中的发展过程，特别是近年来在这一领域中出现的高技术、新概念。对其产生发展的背景和主要技术特点作了较全面的分析。
The development process of metal injection molding in the field of powder metallurgy is expounded and analyzed systematically, especially the high-tech and new concepts emerging in this field in recent years. Made a more comprehensive analysis of the background and main technical characteristics of its development.