介绍“十一五”国家科技支撑计划“高强度结构材加工利用技术”课题中,对我国主要的商品林树种之一——落叶松,在规格材的优化加工、分级、无损检测、强度性能测试及木构件连接等关键技术研究方面,取得的重点创新成果。这些成果开创性地解决了我国利用国产资源加工结构用规格材的关键性和共性技术问题,并且为我国落叶松资源的高效利用,提供了新的技术途径。 Introduction “Eleventh Five-Year” national science and technology support program “high strength structural material processing and utilization of technology ” subject, one of China’s main commercial tree species - larch, the optimization of processing specifications of timber, graded, nondestructive Testing, strength and performance testing and connection of wood components and other key technologies, the key innovations achieved. These achievements have creatively solved the key and common technical problems of using domestic material resources to process structural specifications, and provided a new technical approach for the efficient use of larch resources in China.