higher harmonic resonance 高次谐波共振
The pottery is more highly fired than ancient pieces - there's a higher resonance if you "ping" it.
烧制的温度要比史前彩陶的高，当你敲击的时候，会有较大的“乒”回声。
An offset cross structure for supporting secondary mirror is proposed. The structure has a higher resonance frequency so it can be applied to large-aperture telescope.
提出了次镜支撑的偏置十字型中心结构，该结构具有较高的谐振频率，因此可以用于大口径望远镜中。
We also should take protective measures for the volt power bright spots that produced by the series voltage resonance and the higher harmonic produced by the Electronic Ballast.
采用串联电压谐振产生高压起辉，必须采取过流保护措施。 电子镇流器高次谐波的产生及其所带来的危害。
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