Since then he 's been trying to design his own version , taking cues from the world around him to shape the aerodynamic carbon fiber and kevlar shell built around a low-profile recumbent bicycle .
The material being tested by bae has only ten kevlar layers .
英国宇航系统公司试验所用的材料只有10层凯夫拉。
Kevlar is a fibrous material with qualities that make it able to reject bullets .
芳纶纤维是一种品质,使其能够拒绝子弹纤维材料。
Ordinary metals like titanium , steel and aluminum and familiar synthetic fibers like kevlar and fiberglass are either too heavy or too breakable or both .
普通金属钛、钢和铝,以及合成纤维像凯夫拉和玻璃纤维要么太重要么太易碎要么又重又易碎。
How did you know I would need that kevlar vest ?
你怎么知道我需要防弹背心?
Bob doughty : the men fired handguns at several materials protected by kevlar .
鲍勃多尔蒂:男人射向由几种材料芳纶保护手枪。
From kaolin to kevlar emerging materials for inventing new architecture .
从陶土到合成纤维,新兴材料创造了新建筑。
Dupont co. showed the protective qualities of kevlar .
杜邦公司(dupontco.)展示了kevlar纤维的保护特质。
Kevlar is simply the brand name of an aramid manufactured by dupont .