spike filter
(1)窄带滤光片
(2)窄带滤波器

• fluorescent microscope
• fluorescent paint
• fluorescent pumping
• fluorescent quenching
• fluorescent radiation
• fluorescent scattering
• fluorescent screen
• fluorescent screens
• fluorescent whitening agents
• fluorescnet
• fluorescope
• fluorescopy
• fluoride
• fluoride film
• fluoride glass
• fluoride lens
• fluorimeter
• fluorimetric
• fluorimetry
• fluorinated
• fluorinated alohol
• fluorinated ethylene propylene
• fluorine
• fluorite
• fluorite lens