美利堅(jiān)求學(xué)記之-酒(1)
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19世紀(jì)美國(guó)社會(huì)的變遷(1)
19世紀(jì)的美國(guó)就如我們現(xiàn)在所講的第三世界國(guó)家,它是如何發(fā)展成第一強(qiáng)國(guó)的呢?The book opens in 1815, and Howe says the United States was what we would call today a Third World country. "That is most p...
遠(yuǎn)程WI-FI(1)
他們的發(fā)明之一是以無(wú)線上網(wǎng)為基礎(chǔ)的長(zhǎng)途網(wǎng),或者叫遠(yuǎn)程網(wǎng)絡(luò)無(wú)線保真技術(shù)... Eric Brewer is a busy man. He is a computer science professor at the University of California, Berkeley. He is also directo...
美國(guó)的北部邊界(2)
美國(guó)的北部緊鄰加拿大,被稱(chēng)為“世界上最長(zhǎng)的不設(shè)防國(guó)界”New technology is also helping safeguard the border. In this area near Seattle, a network of cameras, seismic motion detectors and banks of c...
洛杉磯的博物館(1)
洛杉磯博物館的歷史見(jiàn)證這座城市的發(fā)展The Los Angeles Police Museum is housed in an old station house, and it tells the story of a lawless western town that slowly developed into a modern city. Los...