The effective band width more than 8 dB achieves 8.5 GHz when the thickness of sample is 2.21 mm.是什么意思_The effective band width more than 8 dB achieves 8.5 GHz when the thickness of sample is 2.21 mm.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句