单词：four-color printing
单词：four-color printing 相关文章
Robotics, 3-D Printing, Drones Lead 2015 Tech Innovations The waning years advances in computer hardware and software, mechanical devices, sensors and artificial intelligence brought the world another step closer to the robotic future. Electric cars
VOA标准英语2015年(十二月)
VOICE ONE: Welcome to THIS IS AMERICA in VOA Special English. I'm Bob Doughty. And I'm Barbara Klein. Today on our program, we visit the Bureau of Engraving and Printing in Washington, D.C. to learn about how American dollars are made. Last year, th
VOA慢速英语2008年（九）月
BARBARA KLEIN: Welcome to THIS IS AMERICA in VOA Special English. I'm Barbara Klein. STEVE EMBER: And Im Steve Ember. Today on our program, we visit the Bureau of Engraving and Printing in Washington, D.C. to hear how American dollars are made. In tw
2010年VOA慢速英语(十一)月
Laws Slow to Catch Up With 3D Printing WASHINGTON As prices of 3D printers continue to fall, experts are increasingly calling for reconsideration of copyright laws that protect the owners of patents and designs. However, they also warn that overreach
VOA标准英语2014年(四月)
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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