“Arbor Day”的概念、定义、翻译、参考文献-科学参考

单词	Arbor Day
释义	Arbor Day Encyclopedia 农学林业释 Arbor Day植树节一些国家以法律规定宣传保护树木，并动员群众参加以植树造林为活动内容的节日。按时间长短可分为植树日，植树周或植树月，总称国际植树节，通过这种活动，激发人们爱林，造林的热情。
随便看	variation of constants variation-of-constants formula variation of earth rotation variation of elements variation of fruit crops variation of functional variation of geomagnetic field variation of Hodge structure variation of latitude variation of life history traits of invasive species variation of Moon variation of parameters variation of physical constants variation of sign variation of the function variation of the moon variation orbit variation-parametric method variation principle variation statistics variation vector field variation within laboratory variator varicap varicap UHF tuner

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。