“national compulsory tree planting”的概念、定义、翻译、参考文献-科学参考

单词	national compulsory tree planting
释义	national compulsory tree planting Encyclopedia 管理学林业经济管理释 national compulsory tree planting全民义务植树中华人民共和国政府在20世纪80年代制定的一项旨在推广种树以提高绿化覆盖面积的活动。
随便看	Rathke hydatoncus rating rating curve rating method rating scale ratings fulfilled Rating Standards for Cultural Relic Collections rating system of for-profit publishing units ratio ratio chromatism ratiocination ratio control ratio control system ratio data ratio distribution ratio enhancement ratio ergodic theorem ratio-ergodic theorem ratio error ratio estimate ratio estimator ratio imputation ratio level ratiometer rational

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。