free-carrier photoconductivity
无载子光电导性

• photochromic effect
• photochromic gas viewing screen
• photochromic material
• photochromic materials
• photochromics
• photochromism
• photochromy
• photochronograph
• photochronography
• photoclino-dipmeter
• photoclinometer
• photocoagulation
• photocoagulator
• photocolorimetry
• photo-communication
• photocomposer
• photocomposing machine
• photocompositon
• photocon
• photocondcutive property
• photoconducitive
• photoconducitve cell
• photoconductance
• photoconduction
• photoconductive cells