二次正交旋转组合设计 quadratic orthogonal rotation combination design
通用旋转正交组合设计 rational regression design
二次旋转正交组合设计 Quadratics rotary orthogonal combination design
方法采用四因素二次回归正交旋转组合设计和生物统计方法。
Methods: Four factors quadratic regression rotation combination design and agricultural biological statistics were applicated.
运用农业系统工程原理，采用二次回归正交旋转组合设计进行田间试验。
The field experiments were carried out by using the principle of agricultural systems engineering and the modular design between quadratic regression and positive rotation.
采用三因素二次正交旋转组合设计对氮、磷、钾肥的用量进行了定量研究。
Quantitative study on the quantity of nitrogen fertilizer, phosphate fertilizer and potassium fertilizer was conducted through three-element quadric orthogonal whirling combination design.
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