“agricultural machinery extension”的概念、定义、翻译、参考文献-科学参考

单词	agricultural machinery extension
释义	agricultural machinery extension Encyclopedia 农学施肥机械释 agricultural machinery extension农业机械推广通过试验、鉴定、示范、培训、指导以及咨询服务等，把农业机械和农业机械化技术普及应用于农业生产产前、产中、产后全过程的活动。
随便看	non-unitary operator non-unitary semigroup non-use value of forest resource non-vacuous non-value goods nonvanishing nonvanishing function nonvanishing Jacobian nonvanishing minor nonvanishing part nonvanishing solution non vanishing theorem non-vanishing theorem nonvanishing theorem nonvanishing vector non-variable source non-vascular interventional treatment non-vehicle operation carrier non-velocity redshift nonverbal ability test non-verbal communication nonverbal communication non-vessel operating common carrier non-vessel operation common carrier non-village construction land

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