17. The new system, however, will rely on ultralight versions of the aforesaid JPADS in order to sneak into locations that were previously thought impossible to penetrate.
不过，新系统将依托于前述联合精确空投系统的超轻型版本，以便能渗透进以往被认为不能穿透的区域。
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18. Dubbed the SmartBird, the ultralight flying robot was inspired by the herring gull and can take off, fly and land autonomously, without the help of any additional drive systems.
这只极轻的机器鸟灵感来源于银鸥，可以自主起降飞行，无需借助于另外的驱动系统。
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19. The Martin jet pack is designed to conform to the Federal Aviation Administration's definition of an ultralight vehicle, which weighs less than 254 pounds and carries only one passenger.
20. The North Face: Men's Salathe Jacket - The Salathe Jacket is an ultralight microfleece jacket for single-layer warmth in brisk conditions or thermal insulation when layered for extremes.
此款超轻型羊毛夹克装，仅仅一层可为你在凛冽的环境中提供充足的热量。
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21. Although the FAA could always change its mind, the ultralight designation means riders won't need a pilot's license. But don't expect to see commuters rushing to work by air instead of land.
虽然美国联邦航空管理局(FAA)可能改变主意，但是“超轻”代表驾驶者不需要获得飞行员执照。
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22. The material has been dubbed "ultralight metallic microlattice, " and according to a news release sent out by UC Irvine, it consists of 99.99% air thanks to its "microlattice" cellular architecture.
23. The material has been dubbed "ultralight metallic microlattice, " and according to a news release sent out by UC Irvine, it consists of 99.99% air thanks to its "microlattice" cellular architecture.
