books closed circuit tv
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# Closed Doors by Amin Youssef Ghorab
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دائرة تلفزية مغلقة (Info)
دائرة تلفزية مغلقة:- نظام تلفزي لا توزع فيه الإشارات علنا؛ وتوجد كاميرات موصولة للتلفزة في منطقة محدودة مثل مخزن، مبنى للمكاتب، أو في حرم الكلية. (المعجم الموحد لمصطلحات التقنيات التربوية)
