“Guy Donald Smith”的概念、定义、翻译、参考文献-科学参考

单词	Guy Donald Smith
释义	Guy Donald Smith Encyclopedia 农学史密斯,G.D.释 Guy Donald Smith史密斯,G.D. （1907～1981）美国土壤学家。土壤系统分类法提出者。
随便看	frequency number frequency of access frequency of alternating current frequency of an event frequency of an oscillation frequency of a wave frequency of disease occurrence frequency offset frequency of language constituents frequency of occurrence frequency of operation frequency of samples frequency of urinatior frequency plane frequency plane mask frequency-plane mask frequency polygon frequency pulling frequency pulling effect frequency pushing frequency-rank distribution frequency representation frequency resolution frequency resolved optical gating frequency-resolved optical gating

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