“Yang-cao Biological Ecology”的概念、定义、翻译、参考文献-科学参考

单词	Yang-cao Biological Ecology
释义	Yang-cao Biological Ecology Encyclopedia 农学《羊草生物生态学》释 Yang-cao Biological Ecology《羊草生物生态学》以中国东北具代表性的羊草为研究对象，将多年研究成果凝聚撰写成的学术著作。
随便看	principal left ideal principal left ideal ring principal line principal line of photograph principally analytic set principally polarized variety principal mapping principal matrix principal maximum principal measure principal minimum principal minor principal minor array principal minor determinant principal module principal moment principal moment of inertia principal net of a mapping principal net of the flow principal neutral point principal nilpotent orbit principal norm principal normal principal normal complex principal normal form

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