At realm of surface roughness of machined surface, forecast mathematical model is set up by using quadratic regression orthogonal design between NC turning parameter and machined surface.
在已加工表面粗糙度研究领域引入回归正交分析，采用多元二次回归正交设计得到了数控车削参数与已加工表面粗糙度的回归预报模型。
The mode currents form a weighted orthogonal set over the conductor surface, and the mode fields form an orthogonal set over the sphere at infinity.
经典特征模理论提供了一套在导体表面形成加权正交系的特征电流，在无穷远球面上形成正交系的特征场。
In this paper, we describe the conception of orthicon, orthogonal function set and completion of orthogonal function set conception and compared to them.
本文首先阐述了正交、正交函数集以及完备正交函数集的概念，并进行了深入的探讨。
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