单词：photoelastic materials
单词：photoelastic materials 相关文章
Last month, China banned imports of some waste materials that can be reused in manufacturing. The move is forcing other countries to rethink their policies on recycled waste. Before the ban, China was the first resting place for about half of the wor
2018年VOA慢速英语(二)月
By Suzanne Presto New York 30 August 2007 FBI agents were called to a United Nation's building near the headquarters Thursday to remove vials of a possibly hazardous material found in weapons inspectors' offices. From VOA's United Nation's bureau, Su
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SCOTT SIMON, HOST: The world Philip Pullman created is back, in his hands and now ours. His Dark Materials trilogy, which began more than 20 years ago with a book called The Golden Compass is set in a world ruled by a theocratic overlords called The
2017年NPR美国国家公共电台10月
BEIJING, June 25 (Xinhua) -- Tents, quilts, coats and other relief materials have been sent to southwest China's Yunnan and Sichuan provinces in the wake of an earthquake that jolted the area on Sunday, the Ministry of Civil Affairs said Monday. Loca
英语新闻
So I'd like to propose that we can combine those two worlds, that we can combine the world of the nanoscale programmable adaptive materials and the built environment. 所以我建议把这两个世界结合起来，把纳米级上可程序化、能自我
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