propagation characteristic

propagation characteristic是什么意思 propagation characteristic怎么读 propagation characteristic在线翻译 propagation characteristic中文意思 propagation characteristic的解释 propagation characteristic的发音 propagation characteristic意思是什么 propagation characteristic怎么翻译 propagation characteristic的中文翻译 propagation characteristic的意思翻译 propagation characteristic在线翻译查询 给力英汉词典