“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	aerodynamic characteristics of blades aerodynamic characteristics of helicopter rotor aerodynamic characteristics of launch vehicle aerodynamic coefficient aerodynamic control aerodynamic deceleration aerodynamic develocity technology for Mars landing aerodynamic diameter aerodynamic drag aerodynamic drag reduction by plasma aerodynamic effect of high speed railway tunnel aerodynamic equivalent diameter aerodynamic flutter of bridges aerodynamic force aerodynamic-force coefficient aerodynamic governing equations aerodynamic heating aerodynamic heating of lauch vehicle aerodynamic heating of reentry body aerodynamic instability aerodynamic isotope separation aerodynamic moment aerodynamic noise aerodynamic noise control aerodynamic particle size spectrometer

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