区人民政府

district people’s government

• phonon
• phosphate
• phosphor
• phosphorescence
• phosphoric acid
• phosphorograph
• phosphorus
• photism
• photius
• photo
• photocell(或 photoelectric cell)
• photochemistry
• photoconductivity
• photocopying machine
• photoelectric
• photoelectric cell
• photoelectric effect
• photoengraving
• photography
• photogun
• photoimpact
• photoinduction
• photoionization
• photolysis
• photometry