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三十五年来,我们面向生产,依靠群众,坚持定位试验与调查研究相结合,试验研究与示范推广相结合,专业研究与群
In the past 35 years, we have been oriented to production, relying on the masses, insisting on the combination of positioning test and investigation, pilot research and demonstration and promotion, professional research and group