“低效林”的概念、定义、翻译、参考文献-科学参考

单词	低效林
释义	低效林 Encyclopedia 农学林分改造释 low function forest低效林与同类立地条件下相同林分平均水平相比，林木生长迟缓、林分结构和树种组成不良，森林生产力水平低、森林产品质量差，森林生态、经济和社会功能低下的林分。其诱导因素可能是人为的，也可能是天然的。虽然破坏性诱导因素居多，如长期不合理采伐利用、火灾、病虫害或不合理造林营林措施等，但也有积极的诱导因素，如封山育林等。
随便看	History of Chinese Ping Opera History of Chinese Poetry history of Chinese political thought History of Chinese Popular Literature History of Chinese Pottery and Porcelain History of Chinese Prose History of Chinese Psychology history of Chinese publishing History of Chinese Ryhthmical Prose History of Chinese Science and Technology Archives history of Chinese sociology history of Chinese statistical law history of Chinese tea History of Chinese textile science and technology History of Chinese Theatre History of Ci and Qu Poetry History of Ci Poetry history of city water conservancy in the world history of civilization history of coal chemical processing history of Commonwealth of Dominica history of Commonwealth of the Northern Mariana Islands history of composite materials developments history of contemporary Chinese aviation industry history of Cook Islands

科学参考收录了854744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。