nonlinear phase-matching effect
非性位相匹配效

• proper motion
• proper oscillation
• property
• proper value
• proper vector
• proportion
• proportional intensification
• proportionality constant
• proportionality factor
• proportional limit
• proportional scale
• proportioner
• proportion facotr
• propulsion
• prostate gland
• prostatic lumen
• protactinium
• protanope
• protanopia
• protectant
• protecting cover
• protecting glass
• protecting screen
• protection
• protective agent