标签：northrop 相关文章
Arguments over whether women should be allowed to wear trousers might seem like a relic of the 20th century. 有关女性能否穿裤子的争论像是20世纪的遗留问题。 But even in 2015, the battle for sartorial sexual equality rages on, not
发表于:2018-12-18 / 阅读(70) / 评论(0)
阅读空间
阅读空间
By Robert Raffaele Washington 28 March 2008 A U.S. defense contractor unveiled an anti-missile system this week that it claims worked properly on commercial cargo planes. Such high-tech devices, in the future, could save a plane full of passengers fr
发表于:2019-01-12 / 阅读(85) / 评论(0)
VOA标准英语2008年（三月）
VOA标准英语2008年（三月）
By Paul Sisco Washington, DC 17 January 2007 watch Aircraft Protection report The U.S. government is attempting to address concerns that civilian aircraft are vulnerable to shoulder fired surface-to-air missiles. So it is testing a new anti-missile
发表于:2019-02-02 / 阅读(105) / 评论(0)
2007年VOA标准英语（一月）
2007年VOA标准英语（一月）