标签：无人机 相关文章

VOA常速英语2015--无人机帮助科学家们研究澳大利亚濒危的考拉

无人机帮助科学家们研究澳大利亚濒危的考拉 Koalas spend most of their lives in eucalyptus trees,whose leaves are their favorite food. Since the leaves are low on calories and nutritional content, koalas are not very active-they slee

发表于:2018-12-08 / 阅读(49) / 评论(0) 分类 VOA标准英语2015年(七月)

VOA标准英语2014--Drones May Soon Send Data From High Seas 无人机可能很快从公海传回数据

Drones May Soon Send Data From High Seas 无人机可能很快从公海传回数据 Drones are usually associated with unmanned flying vehicles, but autonomous watercraft also are becoming useful tools for jobs ranging from scientific exploration to

发表于:2018-12-16 / 阅读(39) / 评论(0) 分类 VOA标准英语2014年(四月)

VOA标准英语2015--也门基地组织称美国无人机炸死了高级神职人员

Al-Qaida Says US Drone Killed Top Cleric in Yemen 也门基地组织称美国无人机炸死了高级神职人员 CAPITOL HILL The chaotic situation in Yemen was the focus of a congressional hearing and United Nations Security Council action against

发表于:2018-12-16 / 阅读(32) / 评论(0) 分类 VOA标准英语2015年(四月)

经济学人:​一周要闻 国际足联14年首亏前主席工资遭公开 保时捷高管获无罪开释

Football's governing body, FIFA, posted its first annual loss since 2002, citing increased development expenses and higher competition costs. 足球主管机构国际足联报告公布了其自2002年以来的首次年度亏损，亏损主要由上涨的

发表于:2018-12-31 / 阅读(44) / 评论(0) 分类 经济学人要闻

VOA慢速英语2012 Technology Report - Drones: Not Just For the Military Anymore

Technology Report - Drones: Not Just For the Military Anymore 科技报道 - 无人机在军事领域之外的多种应用 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Late last month, for the fi

发表于:2019-01-12 / 阅读(70) / 评论(0) 分类 2012年VOA慢速英语(二)月

VOA常速英语2014--伦敦科技展显示3D打印技术进步

London Exhibit Shows Advances in 3-D Printing 伦敦科技展显示3D打印技术进步 WASHINGTON A technology known as 3-D printing, or additive manufacturing, has long been used for producing prototype models of three-dimensional objects. A new ex

发表于:2019-01-14 / 阅读(58) / 评论(0) 分类 VOA标准英语2014年(九月)

VOA标准英语2015--无人机帮助科学家发现澳大利亚濒危的考拉

Drones Help Scientists Spot Australia's Endangered Koalas 无人机帮助科学家发现澳大利亚濒危的考拉 Small endangered animals are often hard to find in their natural habitats, making it difficult for scientists to monitor them and deve

发表于:2019-01-14 / 阅读(104) / 评论(0) 分类 VOA标准英语2015年(三月)

科学美国人60秒 SSS 2016-8-14

A recent headline on the Web site theverge.com got a lot of attention on social media. Because each new phrase seemed to take the message in an unexpected direction. The headline read: U.S. government plans to use drones to fire vaccine-laced MMs nea

发表于:2019-01-20 / 阅读(47) / 评论(0) 分类 2016年Scientific American(八)月

VOA标准英语2013--人权组织呼吁美国无人机袭击的调查

Human Rights Groups Call for Investigation of US Drone Strikes 人权组织呼吁美国无人机袭击的调查 Human Rights Watch and Amnesty International released joint reports Tuesday documenting dozens of civilian deaths from U.S. drone strikes

发表于:2019-01-31 / 阅读(141) / 评论(0) 分类 VOA常速英语2013年(十月)
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