Available under Creative Commons-ShareAlike 4.0 International License. wavelength = 3 x 108 / 10.7 x 106 = 28.04 m wavelength = 0.78 x 3 x 108 / 10.7 x 106 = 21.87 m ‹ previous 上一層 next › 瀏覽次數：1592
