常見例句雙語例句Public Address systems (PA systems) are commonly used in American malls, airports and grocery stores.公共廣播系統(tǒng)在美國的商場、機場、和雜貨店普遍使用。edu.sina.com.cnExamples of other technologies include: Cable Television (CATV) Services, Display Systems and Public Address Systems (PA).例如：有線電視（CATV）服務、顯示系統(tǒng)和公共廣播系統(tǒng)（PA）等。Combo amplifiers for bass, guitars, keyboards, electronic drums and PA systems. Please reply with full specifications , pictures.求購用于貝斯，吉他，鍵盤，電子鼓，擴音系統(tǒng)的組合放大器。請回復詳細規(guī)格和圖片。權威例句Just since the 2010 peace talks (and right on up to this month), there has been a continuous, venomous stream of hate messages disseminated by the PA through its media and social and education systems.FORBES: My Family In Israel: One Direct Hit, Two Near Misses -- And The Brainwashing Behind The Rockets 返回 PA system