Product combination design chooses product configuration and modules according to the requirements of customers.
根据用户需求选择产品结构和模块的产品组合设计；
Methods: Four factors quadratic regression rotation combination design and agricultural biological statistics were applicated.
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。
Using quadratic rotational regression combination design to study the influence on yield of the rape under the different nitrogen and density.
运用二因素五水平回归正交旋转组合设计，进行施氮量与密度对油菜产量影响的研究。
The test result reveals that the combination design method without the constrain condition can fulfill the purpose of the oil formula design to a pretty good extend.
试验结果表明：无约束条件的混料设计可以很好地满足油品配方设计要求。
Using quadratic general revolving combination design with 3 factors, the effects of irrigation, nitrogen and potassium fertilization on greenhouse tomato were investigated and quantified.
采用三因素二次回归通用旋转组合设计，研究了灌水量、氮肥、钾肥的耦合效应对番茄的影响，得到番茄产量对三因素的回归数学模型。
Quantitative study on the quantity of nitrogen fertilizer, phosphate fertilizer and potassium fertilizer was conducted through three-element quadric orthogonal whirling combination design.
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。
Technological experiment of fly-ash cement particleboard was processed with the mathematical model of "Quadratic Orthogonal Rotational Combination Design", based on the preliminary experiment.
在预备性实验基础上，采用二次正交旋转组合设计对粉煤灰水泥刨花板进行工艺试验。
Technological experiment of fly-ash cement particleboard was processed with the mathematical model of "Quadratic Orthogonal Rotational Combination Design", based on the preliminary experiment.
在预备性实验基础上，采用二次正交旋转组合设计对粉煤灰水泥刨花板进行工艺试验。
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