The network teaching means that the teachers and the students rely on the media to carry out the non face-to-face education.
网络教学是指师生凭借媒体所进行的非面对面的教育。
This is true even for non-face-to-face communication such as through online chat rooms or message sessions.
即使不是面对面的交流，例如发信息和网上聊天，这样的学习也真实存在。
In this paper, a method is proposed to determine the orientation of a rotated human face image as to be matched with a non-rotated face template.
本文实现了一种依靠非旋转的人脸模板对平面内旋转的人脸图象进行匹配定位与角度估算的方法。
Full face gaskets extending to the flange face edge as given in American Standard Non-Metal gaskets for Pipe Flanges ANSI B16.21 are required.
根据用于管道法兰的美国非金属衬垫标准ANSIB16.21，需要能够延伸至法兰面边缘的全面衬垫。
When the second knife face is designed to be a non-linear face, the second knife face can be an inner cavetto line or an outer cavetto line;
当第二刀面设计成非线性面时，可以是内凹弧线或者是外凸弧线；
When the second knife face is designed to be a non-linear face, the second knife face can be an inner cavetto line or an outer cavetto line;
当第二刀面设计成非线性面时，可以是内凹弧线或者是外凸弧线；
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