国家地理-2008-04-12 Alternative Energy 可替代能源

When the wind picks up at the foot of the Rockies, there are those who believe they can hear the future. At the National Renewable Energy Laboratory, making alternative power sources competitive with fossil fuels has been a mission since the energy

发表于:2018-12-30 / 阅读(44) / 评论(0)

国家地理2008年

VOA慢速英语2011--A Soccer Ball That Gives You Energy -- Really

Technology Report - A Soccer Ball That Gives You Energy -- Really 科技报道 - 足球型发电机 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Have you ever heard the expression a ball of energ

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2011年VOA慢速英语(十一)月

VOA慢速英语2012 Technology Report - Turning Industrial Waste-Heat Into Electricity

Technology Report - Turning Industrial Waste-Heat Into Electricity 科技报道 - 利用工业废热发电 This is the VOA Special English Technology Report. 这里是美国之音慢速英语科技报道。 Scientists say enough energy is being waste

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2012年VOA慢速英语(八)月

VOA慢速英语 Technology Report - Turning Industrial Waste-Heat Into Electricity

Technology Report - Turning Industrial Waste-Heat Into Electricity This is the VOA Special English Technology Report. Scientists say enough energy is being wasted in the oil and gas fields of Texas every year to provide electricity to one hundred tho

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2012年VOA慢速英语(九)月

VOA标准英语2012--China Seeks New Technology in Oil Deal

China Seeks New Technology in Oil Deal Tar sands projects run by Nexen are one reason the Canadian oil company is being offered $15 billion by the China National Offshore Oil Corporation or CNOOC. Besides oil sands, Nexen has deepwater drilling opera

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VOA标准英语2012年(八月)

英闻天下——412 Long Road ahead for New Energy Cars

Worsening air pollution in major Chinese cities has overshadowed the annual session of China's national lawmakers. Pollution control once again became one of the heated topics for panel discussion among the deputies of the National People's Congress

发表于:2019-01-19 / 阅读(32) / 评论(0)

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