L space suits protect astronauts when they go outside their spacecraft.

宇航服是航天员离开航天器在太空中行动时用来保护他们的服装。

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If you often need space to spread out paperwork, get a keyboard drawer or L-shaped desk that gives you that room.

如果你经常需要空间去处理日常工作，要一个放键盘的抽屉或者L字形的办公桌，好让你有足够的空间。

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The International Telecommunications Union reserves a special radio band in the 1400-1427 MHz range, called the L-band, especially for Earth-observing satellites and space astronomy.

国际电信联盟保留了1400 - 1427 MHz范围内的特殊无线电频段，亦称L -频段，特别供地球探测卫星和太空天文使用。

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Basically, these guys just got regulatory approval last week to buy satellite operator SkyTerra, combining about 23MHz of spectrum through slivers of ownership in the 1.4GHz and 1.6GHz terrestrial bands with 10MHz of L-band satellite space.

ENGADGET: New US LTE network borne of satellite operators, launching next year

Liu Sixing, who was also known as Steve Liu, worked in L-3 Communications' space and navigation unit in New Jersey from 2009-2010 as a senior engineer.

BBC: US jails Chinese engineer for exporting trade secrets

Enter through a concrete lobby in an anonymous building fronted by corrugated sheeting a few blocks from the Pacific Ocean in West L.A. and suddenly you're in a hangar-esque space where some 200 acolytes toil at desks and tables constructed from the same cheap red plywood used for packing cases.

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