但是NEC已经开发出了一种新的谐波调谐放大器，可以从其它方面使这些标准设备的效能增强45%。
However, NEC has developed a new harmonically tuned amplifier which achieves 45% efficiency on otherwise standard components.
可调谐波长转换器在DWDM全光网络中具有举足轻重的作用。
The tunable wavelength converter plays an important roll in dense wavelength division multiplexing(DWDM) all optical network.
当第二个音叉被调谐到与第一个音叉调谐音或波形能发生谐波共振的时候这些才会出现。
This occurs only when the second fork is tuned to a resonant harmonic of the first tuning fork's note or waveform.
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