单词	同步通訊衛星
释义	同步通訊衛星1. syncom
随便看	refraction densimeter refraction diagram refraction-diffraction refraction displacement refraction dome refraction equation refraction equivalent refraction error refraction factor refraction formula refraction haze refraction hidden layer refraction index refraction index ellipsoid refraction index--index of refraction refraction index profile refraction interpretation refraction,ionic refraction law refraction loss refraction marker refraction method refraction of light refraction (of neutron beam) refraction of sound