And yet the prospect of using origami to improve existing technologies is, for some, tantalizing. Moneesh Upmanyu at Northeastern University in the US, and one of his PhD students, were awarded a patent last year for a design that uses origami to make strong but foldable wing structures.
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US President Donald Trump has announced the reversal of the so-called endangerment finding, a key Obama-era scientific ruling that underpins much of US environmental legislation.，这一点在服务器推荐中也有详细论述
Крупнейшая нефтяная компания мира задумалась об альтернативе для морских перевозок нефти14:56