“national flower”的概念、定义、翻译、参考文献-科学参考

单词	national flower
释义	national flower Encyclopedia 农学国花释 national flower国花通过沿用传统及民间约定、或政府确定、或法律确定等各种形式得到确认，最终被本国民众广泛认可，可以作为国家和民族文化象征的花卉。
随便看	contragradience contragradient contragradient automorphism contragradient composition contragradient isomorphism contragradient linear transformation contragradient mapping contragradient matrix contragradient module contragradient representation contragradient set contragradient transformation contragredient contragredient automorphism contraharmonic mean contraindicated during pregnancy contraindicated in diet contraindication of Chinese medicinal use contraindication of pattern contralto contranatant contraorbital contraorbitally contra-parallelogram contrapedal curve

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。