“biennial weed”的概念、定义、翻译、参考文献-科学参考

单词	biennial weed
释义	biennial weed Encyclopedia 农学〔生物学的杂草分类〕释 biennial weed二年生杂草在两个生长季节内或跨越两个日历年份完成从出苗、生长至开花结实的生活史的杂草。
随便看	proper differentiable mapping proper direction proper disconnection group proper distance proper distribution proper divergence proper divisor proper domain proper dual ideal proper efficient solution proper element proper elliptic function proper embedding proper energy proper equation proper equilibrium proper equivalence proper exisitence proper extension proper extension field proper extension ring proper extremal field proper extremal set proper face proper face of a simplex

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