mirror blank, mirror substrate
面镜基底

• matrix norm
• matrix of a linear transformation
• matrix operation
• matrix ring
• matrix trace
• matrix unit
• mat surface
• matt
• Eppenstein's principle
• equal
• equal-energy source
• equal-energy spectrum
• equal-energy white
• equaling filter
• equality
• equality of brightness photometer
• equality-of-contrast cube
• equality-of-contrast ocomparision
• equalization
• equalized-response densitometer
• equalizer
• equation
• equation fo coninuity
• equation of light
• equatorial inclination