正交试验 meaning in English

orthogonal experiment
orthogonal test

Application of orthogonal experiment in machine - work
基于正交试验的机械部件加工研究
Preparation of road coating by orthogonal test
道路标线涂料的正交试验研究
The application of orthogonal test in study of concrete corrosion
基于正交试验的混凝土腐蚀研究
Synthesis of ba - bearing calcium sulfo - ferritealuminate minerals
正交试验法研究硫铁铝酸钡钙矿物
Study on optimum process of wulingdan capsule by orthogonal design
正交试验法改进五羚丹胶囊的工艺

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