interference path difference
干程程差

• media coherence disturbance
• medical diagnosis
• medical microscope
• medical optical instrument
• Medical Photonics
• medical radioistope
• medical X-ray film
• medium
• medium and large size cameras
• medium barium crown
• medium fit
• medium quartz spectrograph
• medium scale integrated circuit
• medium short wave
• medium shot
• medium sweep
• medium-term
• medium wave
• mega
• mega bar
• megacycle
• megahertz
• megajoule
• megaphone
• megapulse laser