Dawn of a New Technology
Until recently,3D printers were so expensive that only large companies could afford them.In just the last year or two,their cost has dropped dramatically.Today,you can buy a 3D printer for as little as $300.The technology offers the potential to print anything at home,when you want it,without having to buy it in a store or order it from a factory.Of course,there's a catch.It has to do with the word "potential".
2014-02-28(万方平台首次上网日期,不代表论文的发表时间)
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