辽宁省树木改良及遗传标定技术培训团赴美培训及考察报告辽宁省树木改良及遗传标定技术培训团赴美培训及考察报告培训考察团为了解国外树木改良及遗传育种方面的先进技术，拓宽对外交往和交流的渠道，加强国际间技术合作，提高林业科技水平，推动林业种苗工作发展，根据国... Liaoning province tree improvement and genetic calibration technology training group to the United States training and inspection report Liaoning province tree improvement and genetic calibration technology training mission to the United States training and inspection reports training delegation to understand the foreign tree improvement and genetic breeding of advanced technology and broaden its external Exchange and exchange channels, strengthen international technical cooperation, improve the level of forestry science and technology, and promote the development of forestry seedlings work, according to the country ...