interference of overlapping of orders
叠级干涉

• harmonic-generator laser
• harmonic mixing
• harmonic mode locking
• harmonic motion
• harmonic optcial beam
• harmonic oscillator
• harmonics
• harmonic vector wave
• harmonic wave
• harmonic wave analyzer
• harmonization
• harmonograph
• Hartley band
• Hartmann criterion
• Hartmann diaphragm
• Hartmann's dspersion formula
• Hartmann test
• Hartman test
• Harwit's imaging spectrometer
• hash
• hastings triplet
• haze
• haze factor
• haze filter
• hazy picture