meridianal curvature of field
子午场曲

• cobalt
• cobalt glass
• Coddington lens
• Coddington magifier
• code
• code aperture
• code bit
• code converter
• coded aperture imaging
• coded circle
• coded data
• coded-digital modulation
• coded disk
• coded Fourier-transform hologram
• coded image
• coded infrared wavelength
• code discriminator
• coded laser beam
• coded reference wave hologram
• coded scale
• coded-scan tomogram
• coded word
• code element
• code-image space
• code-independent