When used at oblique Angle, the effective thickness of each layer becomes thinner than that at normal Angle.
当光线倾斜入射时，各层光学薄膜的有效厚度变薄。
The ionosphere is a principal factor determining whether or not the wave normal Angle satisfies transmission condition through the ionosphere.
电离层是决定波法线角能否满足透射条件的主要因素。
The paper puts forward the concept of normal Angle of winding bend for describing the degree of distortion and deformation of malformed winding bend.
为了描述畸形河湾扭曲变形的程度，提出了河湾法向角的概念。
MM showed significantly weaker activity in children with high-angle than that in those with normal-angle in the chewing gum movement(P<0.05).
咀嚼口香糖时，高角组MM的肌电活动低于均角组，有统计学意义（P<0.05）；
MM showed significantly weaker activity in children with high-angle than that in those with normal-angle in the chewing gum movement(P<0.05).
咀嚼口香糖时，高角组MM的肌电活动低于均角组，有统计学意义（P<0.05）；
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