“history of soybean cultivation in China”的概念、定义、翻译、参考文献-科学参考

单词	history of soybean cultivation in China
释义	history of soybean cultivation in China Encyclopedia 管理学〔中国作物栽培史〕释 history of soybean cultivation in China中国大豆栽培史大豆在中国从野生品种经过演化、长期定向选择、改良驯化，到最后人工专业种植的过程和历史。大豆作为五谷之一，不仅承担着粮食作物的职责，同时也是经济作物中重要的农产品，发展至今，已经成为中国大宗农产品最重要的作物之一。
随便看	principal diameter principal dielectric axes principal direction principal direction of curvature principal discrete series principal disjunctive normal form principal distribution parameter principal divisor principal dual ideal principal element principal element elimination principal elliptic term principal enumeration principal equation principal escaped point principal factor principal fiber bundle principal fiber space principal fibration principal filter principal focus principal for facet sequence principal form principal formula principal fractional ideal

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