“作物精确定量栽培”的概念、定义、翻译、参考文献-科学参考

单词	作物精确定量栽培
释义	作物精确定量栽培 Encyclopedia 农学作物精确定量栽培释 precise and quantitative cultivation for crops作物精确定量栽培以适宜的最少作业次数，在最适宜的生育时期，用最适宜的物化技术数量，即用最适宜的定量化技术措施管理作物，达到作物生产“高产、优质、高效、生态、安全”综合目标的栽培理论与技术。
随便看	positively definite form 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)

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