“果树授粉树配植”的概念、定义、翻译、参考文献-科学参考

单词	果树授粉树配植
释义	果树授粉树配植 Encyclopedia 农学果树栽植释 pollenizer planting of fruit trees果树授粉树配植为提高结实率，对于自花不实、自花结实率低或者雌雄异株的果树，在果园建立时按照一定的比例搭配种植适宜的授粉品种或雄株的栽培措施。
随便看	positively definite kernel positively definite matrix positively definite quadratic form positively graded module positively invariant subspace positively oriented base positively semi-definite positively stable point positively stable solution positive manifold positive map positive mapping positive mass conjecture positive matrix positive measure positive metric positive/negative helicity spinors positive number positive octant positive operator positive operator valued measure positive-operator valued measure POVM positive operator value measure positive operator value measure (POVM) positive ordering

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