“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	complex stomach complex straight line complex structure complex submanifold complex subspace complex subtraction complex subvariety complex supergeometry complex surface complex surface treatment of magnesium alloys complex symbol complex system complex system modeling and simulation complex system reliability complex systems engineering complex system simulation complex system theory complex tone complex torus complex torus group complex trait complex transformation complex translation complex unit complex unitary group

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。