“improvement thinning”的概念、定义、翻译、参考文献-科学参考

单词	improvement thinning
释义	improvement thinning 抚育性疏伐
随便看	railroad freight rates railroad gauge railroad grade crossing railroad gun railroad hauling car railroad hopper car railroading railroad intermodal yard railroad jack railroad journal box railroad journal-box grease railroad line railroad lines opened to traffic railroad logging railroad motor car railroad noise railroad nystagmus railroad overcrossing railroad pen railroad platform railroad point railroad powder railroad rail railroad ramp railroad rate schedule

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。