单词	passive sonar
释义	passive sonar [电] 无源声纳
随便看	ion photography ion physics ion plasma ion plasma frequency ion plasma oscillation ion plasma wave ion plasma wave and ionic plasma oscillation ion plating ion plating equipment ion plating film ion-plating handicraft article and machine part ion polishing ion polymerization ion population ion potential ion probe ion probe micro analysis ionprobe microanalyzer ion probe microanalyzer ion product ion product constant ion-product constant ion product of water ion propulsion ion-protein 要4 要价还价要害之地要死要活要而言之要而论之要言不烦要言妙道覂覃ツノブエツノマタツノメダツツノメ立ツツノルツノ書キツノ目ダツツノ目立ツツノ隠シツバ