1. It can be in any metope construction, wait like cement face, lime face, ceramic tile face, board face, iron plate face, glass face, plastic face, bubble surface. �������κ�ǽ��ʩ������ˮ���桢ʯ���桢��ש�桢ľ���桢�����桢�����桢�����桢��ĭ��ȡ�
2. Building integrity to face for concise style, to face the North-South and East-West Wing glass wall to face the real face a strong strength contrast. �����������������ķ���ϱ������ͨ�����붫�������ʵ��ǽ���γ�ǿ�ҵ���ʵ�Աȡ�
3. Face detection is the leading phase of face recognition. Locating face correctly and accurately is necessary for high recognition-rate face recognition. �����������������ʶ��ǰ�ù�������ȷ�ض�λ��������������ʶ�����иߵı�ʶ�ʡ�
4. About face! Right face! Left face! ���ת������ת������ת��
5. Face Detection Face recognition is the most important step, it is basically a problem of image segmentation. the image is divided into two parts : a face and the other a faceless district. �������������ʶ������Ҫ��һ��������������һ��ͼ��ָ����⣬��ͼ���Ϊ�����֣�һ��������������һ����������
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Metal valves for use in flanged pipe systems - Face-to -face and centre-to-face dimensions �������ӽ������� �ṹ����;
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Metal valves for use in marine flanged pipe systems--Face-to-face and centre-to-face dimensions ���÷������ӽ������ŵĽṹ����;