extra-low英'ekstrəl'əʊ美'ekstrəl'əʊCOCA¹⁷⁰⁹²² 基本例句 adj.特低的¹⁰⁰ Because the extra-low- altitude missile works in the background of sea clutter, its fuse signal will be jammed easily. Nevertheless, the traditional signal processing methods behave badly. 由于超低空导弹在海杂波背景下工作,其引信的信号检测易受干扰,而传统的信号处理方法效果不佳。 iaeej