[化] 细胞工程

Are We Safer Without Pilots in the Cockpit? 如果驾驶舱没有飞行员的话,我们会不会更安全点呢? Last month, 150 people were killed when Germanwings Flight 9525 crashed in the French Alps. Officials say the co-pilot flew the airpl

发表于:2018-12-08 / 阅读(27) / 评论(0) 分类 2015年VOA慢速英语(四)月

By Paul Sisco Washington, D.C. 21 June 2007 Government and industry officials say America's crowded airways are becoming more so. The technology exists to make air travel safer, and energy efficient, but so far efforts to improve the situation are mo

发表于:2019-01-10 / 阅读(81) / 评论(0) 分类 2007年VOA标准英语(六月)

Authorities think so, and they've designed simulators that shake, rattle, and roll Ted Landphair | Washington DC 25 March 2010 U.S. space agency simulators help prepare airplane pilots for crisis situations. But critics say they don't adequately repl

发表于:2019-01-13 / 阅读(35) / 评论(0) 分类 VOA标准英语2010年(三月)

A Chinese aircraft was forced to delay its landing after two air traffic controllers nodded off, reports said Tuesday, sparking a wave of online anger about airline safety. 本周二消息,两名空管打瞌睡导致一架中国飞机被迫延迟降落

发表于:2019-02-05 / 阅读(67) / 评论(0) 分类 英语新闻

A pilot lost control of a passenger plane after his artificial arm became detached as he was coming in to land, an accident report has said. 据事故报告称,在着陆期间由于人造假肢脱落,一名客机飞行员驾驶失控。 图片1 T

发表于:2019-02-06 / 阅读(95) / 评论(0) 分类 英语新闻

本期内容: A report by Indonesian investigators into last Decembers crash of AirAsia Flight 8501, in which 162 people died, blamed failures of equipment and communication. The Airbus A320s rudder-control system malfunctioned; attempting a fix, t

发表于:2019-02-17 / 阅读(51) / 评论(0) 分类 夏说英语新闻晨读