“sky wave propagation for low frequency”的概念、定义、翻译、参考文献-科学参考

单词	sky wave propagation for low frequency
释义	sky wave propagation for low frequency Encyclopedia 工学电离层电波传播释 sky wave propagation for low frequency低频天波传播地面发射的频率为30～300千赫的无线电波，经电离层反射再回到地面的传播方式。
随便看	wavelength-selective cross-connect wavelength selector wavelength threshold wavelet wavelet analysis wavelet analysis fault diagnosis method wavelet analysis; wavelets wavelet approximation wavelet basis wavelet frame wavelet function regression wavelet group wavelet hull wavelet kernel matching pursuit learning machine wavelet matrix wavelet neural network model wavelet packet wavelets wavelet theory wavelet thresholding wavelet transform wavelet transformation wavelet transform spectrophotometry wavelike wave-like behaviour

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