The orthogonal test design method is very suitable to be popularized and applied in minor enterprises because of its features of scientific method, easy operation, lower cost and striking effect.

正交试验设计法以其方法科学、操作简便、费用节省、效果显著等特点，十分适合在小企业推广运用。

youdao

The craft process model of the device was constructed with ASPEN PLUS system, make sure boundary operation term and proceed hand orthogonal design.

应用ASPEN PLUS过程模拟系统构造该装置的工艺流程模型，以确定边界操作条件，进行正交试验设计。

youdao

New method of parameter estimation for time varying non linear distributed systems is proposed in term of orthogonality of orthogonal polynomial and differential operation matrix.

利用正交多项式序列的正交性及微分算子矩阵，论述了时变非线性分布参数系统参数估计的正交多项式法。

youdao