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مهارة حل المسألة - الرياضيات - الصف الرابع الابتدائي - الفصل الأول
السمات:
مسألة مسائل Problem |
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Vector generated image of Solar Cell:A solar cell or photovoltaic cell is a device that converts light directly into electricity by the photovoltaic effect. Sometimes the term solar cell is reserved for devices intended specifically to capture energy from sunlight, while the term photovoltaic...
السمات:
Solar cell sun photovoltaic solar panels solar power solar energy. |
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