蚀变矿物

Mineral Smuggling Losses Said to Cost

By David Lewis A natural resources watchdog group issued a report Tuesday warning that smuggling and corruption are costing the Democratic Republic of Congo millions of dollars a month in lost revenue

发表于:2018-12-08 / 阅读(65) / 评论(0)

VOA2004（下）--世界经济

VOA标准英语2012--New App Helps ID Altered Fingerprints

New App Helps ID Altered Fingerprints Altered state Biting the pads off fingertips or surgically replacing the fingerprints with toe prints might seem like drastic measures but Anil Jain, a biometrics expert and professor at Michigan State University

发表于:2018-12-16 / 阅读(35) / 评论(0)

VOA标准英语2012年(二月)

VOA标准英语2012--Harnessing the Mineral Wealth of Poor Countries

Harnessing the Mineral Wealth of Poor Countries 新方针指导贫穷国家正确利用其丰富矿藏 Developing countries with potential mineral riches have often fallen prey to corruption and mismanagement. As a result, theyve failed to benefit fr

发表于:2019-01-14 / 阅读(53) / 评论(0)

VOA标准英语2012年(二月)

Korean Aid to Help Unearth Cameroon’s Mineral Resources

Cameroon's new mineral research center will begin operations this year. South Korean mining researchers are making trips to Cameroon to determine the overall cost of the facility, to be located in the capital, Yaounde. They say the center will cost s

发表于:2019-01-14 / 阅读(89) / 评论(0)

VOA标准英语2011年(二月)

2007年VOA标准英语-Genetically Altered Mosquitoes May Offer Hope t

By Jessica Berman Washington 19 March 2007 Transgenic mosquito Scientists say they are a step closer to showing that it may be possible to genetically alter mosquitoes to control malaria, a disease that kills more than a million people in developing

发表于:2019-01-16 / 阅读(93) / 评论(0)

2007年VOA标准英语（三月）

听歌学英语:Anyone of us

听歌学英语:Anyone of us [00:02.57]EnglishExpress [00:06.06]轻松英语之旅 [img:00:08.22]049-Anyone Of Us.jpg [00:20.35]Anyone of Us (Stupid Mistake) [00:25.82]Gareth Gates [00:55.79]Ive been letting you down, down [00:59.62]Girl I know Ive b

发表于:2019-02-01 / 阅读(37) / 评论(0)

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analog-to-digital (a/d)conversion

automatic switching system

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