primary detecting element
初级探测元件，初级检验元件

• photoelectric quadrupler
• photoelectric relay
• photoelectric senson
• photoelectric solid-state device
• photoelectric spectrometer
• photoelectric spectrophotometer
• photoelectric surface
• photoelectric threshold
• photoelectric transit nstrument
• photoelectric tube
• photoelectric yield
• photoelectro-luminescence
• photoelectrolytic cell
• photoelectromanetism
• photoelectrometer
• photoelectromotive force
• photo-electron
• photoelectronagnetic effect
• photoelectron counter
• photoelectron emission device
• photoelectron escape teim
• photoelectronic device
• photoelectronic tansducer
• photoelectron spectroscopy
• photoelectrophoretic camera