/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: ahmedmagdybeshr https://public.slidesharecdn.com/v2/images/profile-picture.png 愀悋��惡 惡������悸 悋��惺������ 悴悋��惺悸 悋������惶��惘悸 ��愕�� 悋��悴��������慍��悋悄 Student, Faculty Of Science, Mansoura University Geophysics Department