单词：
单词： 相关文章
Chinese electric vehicle maker BYD has unveiled its new unmanned monorail, SkyRail, in Yinchuan, capital of Ningxia Hui Autonomous Region, on Wednesday, January 10. The unmanned train system will be officially put into operation in the second quarter
2018CRI中国国际广播电台
美国私企飞船与空间站对接 WASHINGTON, Jan. 12 (Xinhua) -- A commercial spacecraft, operated by U.S. space company Orbital Sciences Corp., docked with the International Space Station (ISS) on Sunday morning on its first official cargo resup
英语新闻
India has launched its first unmanned mission to the Moon. The mission is a major boost to the country's space program, as India joins Asian nations China and Japan in exploring the Moon. Anjana Pasricha has a report from New Delhi. In this photo pr
VOA标准英语2008年（十月）
A top Iranian defense official says Tehran has built an unmanned surveillance aircraft with a range of more than 950 kilometers. The claim, if true, would put the drone within range of Israel. Iran's Deputy Defense Minister Ahmad Vahidi has told the
VOA标准英语2009年(二月)
The amount of debris orbiting the Earth has reached a tipping point for collisions, which would in turn generate more of the debris that threatens astronauts and satellites, according to a US study released on Thursday。 NASA needs a new strategic p
实用英语
Israel downed unmanned drone in south: IDF spokesperson JERUSALEM, Oct. 6 (Xinhua) -- The Israeli air force has on Saturday struck down an unmanned aircraft in the Israeli airspace, an Israel Defense Forces (IDF) spokesperson told Xinhua. But the spo
英语新闻