3.Invisible under the stars, an ummanned American spy plane circled inaudibly over a stretch of dark landscape, transmitting grainy images back to the United States.
6.Fifty-seven years after U.S. Navy signalman Jack Campbell and British Wren signaler Stephanie Batstone first communicated by sending Morse code messages by lantern over a 4-mile stretch of the Scottish sea, the pair finally met face to face in London on Wednesday.
美国海军通讯兵杰克-坎贝尔和英国海军(英国皇家海军女子服务队成员Women's Royal Naval Service)女信号员斯蒂芬尼-巴斯滕第一次打交道还是在57年前。当时两人在苏格兰附近方圆4英里的海域内打着灯向彼此发出摩尔斯信号。上周三，两人最终在伦敦会面了。收藏指正
7.In the A+T-rich region,the A+T-content was extremely high to over 94.9% and there was a T-stretch ranging from 16 to 19 bps starting at the 27 nt.
