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[00:00.00]在线英语听力室( www.tingroom.com )友情制作 [00:03.09]2002 [00:06.29]Comparisons were drawn between the development [00:08.71]of television in the 20th century [00:11.03]and the diffusion of printing in the 15th and 16th centuries. [00:15.7
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How 3-D Printing Can Create Tissue from Stem Cells 3D打印如何做到利用干细胞制造人体组织 An Israeli company has asked the United States Patent and Trademark Office for legal rights to a process for making a special kind of human cell.
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How 3D Printing Helped Team USA Go for Gold The United States won its first Olympic medal in a mens luge singles event at the PyeongChang Winter Olympics. Chris Mazdzer won a silver medal last week equaling the best finish ever for any member of the
2018年VOA慢速英语(二)月
Science in the News - Researchers Work on 3-D Printing of Living Tissue 研究人员3D打印生物活组织 Three-dimensional printers are fast becoming everyday devices in the United States. Three-D printers are used to make everything from automobi
2014年VOA慢速英语(十)月
There are more than 26 thousands casting companies in China, accounting for half of all the global manufacturers of casting products. But the traditional method of handmaking castings is heavily reliant on human resources and energy, and can produce
2018CRI中国国际广播电台
An employee carefully scans a man standing still behind two photographic lamps with a gun-like scanner in his hand. The whole process takes approximately 10 minutes. After loading the data into the computer, the rest work is left to the 3-D printing
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