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According to Harry Vallentine, a Canadian engineer who is researching modern steam technology, a special tank measuring 2 by 10 metres could store over 750 kilowatt hours of energy as high pressure steam, enough to pull a two-cart train for an hour or so.
2018年12月六级真题(第二套)听力 Section C
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Cambridge scientist Peter Wadhams who's been measuring and monitoring the Arctic since 1971, says the decline is irreversible.
2016年6月六级真题(第一套)听力 Section C
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Measuring emissions is not a precise science, particularly when it comes to issues surrounding land use; not all nations have released up-to-date data, and in any case, emissions from some sectors such as aviation are not included in national statistics.
2016年6月六级真题(第三套)阅读 Section B
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The method relies on measuring how chemical variations in drinking water show up in people's hair.
2015年12月六级真题(第二套)听力 Section C
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The passive attitude we have to climate change as individuals can be altered by counting us in—and measuring us against—our peer group.
2015年12月六级真题(第二套)阅读 Section B