The automatic design program of film is made with the principle of two-step design and the orthogonal testing method.

本文采用二次设计原理，结合正交试验法编制膜系自动设计程序。

youdao

Different mixture ratios of desulphurized ash, cement, aggregate, gypsum and lime were tested according to the orthogonal testing method.

采用正交试验方法，设计了脱硫灰、水泥、集料、石膏、石灰的不同配比。

youdao

Take the powder of konjac, beer, the fresh fruit and the gelatinizer as the main raw material, the processing of konjac is researched using the orthogonal testing method.

本品以魔芋粉、啤酒、新鲜果肉辅以胶凝剂为主要原料，运用正交试验法对果冻的加工工艺进行了研究。

youdao