次谐波 meaning in English

submultiple

Cavity for 8 mm second - harmonic gyroklystron amplifier
二次谐波回旋速调管谐振腔设计研究
Left atrial spontaneous echo contrast evaluated by thi
二次谐波显像评价左心房自发性声学显影
However , the above - mentioned character of hhg is general
然而高次谐波的这些特点仅仅是一般意义上的。
During the past decades the hhg has been extensively studied
在过去十几年中，人们对高次谐波作了广泛研究。
High - order harmonic generation by relativistic lasers in a maxwellian distributed plasma
分布等离子体中产生的高次谐波

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