3rd super harmonic resonance
coherent harmonic radiation
High harmonic radiation
super harmonic resonance
super- harmonic resonance
super-harmonic bifurcation
super-harmonic resonance
delta radiation (=δ-radiation)
fundamental harmonic {first harmonic}
harmonic and bi_harmonic functions
harmonic detection and inter-harmonic detection
simple harmonic oscillation，simple harmonic vibration
the ratio of the triple-harmonic in first-harmonic
divition of “super unit combine—super unit—unit”