third-order light mixing
三阶光混频

• zonal polarizer
• zonal ray
• zone
• zone axis
• zone boundary
• zone circle
• Zone [Crystal]
• zoned lens
• zone focusing
• zone lens
• oxidation state
• oxide
• oxide ceramic laser
• oxidecoated
• oxide film
• oxide glass
• oxide of chromium
• oxide semiconductor
• oxidizing agent
• oxizole
• oxy-acetylene
• oxy-acetylene flame
• oxygen
• oxygen hydrogen torch
• oxygenization