单词：adaptive spectrum exploitation
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Over-use of groundwater may cause landslides. However, in costal areas it also brings seawater intrusion. Let's take a look at the problem with our reporter Zhang Wan. In a village in the costal area of Dalian, Liaoning Province, many villagers compl
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That proposition was put to the test after Paul Volcker became Fed chairman in 1979. 这种主张在保罗沃克尔于1979年成为美联储主席后被付诸验证。 Mr Volcker was set on getting inflation down. 当时，沃克尔决心要把通胀降
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