The strategy the Air Force proposes is based on a system perfected by nature for life in complex environments: bimolecular switches.

美国空军策略主张以完善该系统本身为基础，使其终身在复杂环境下工作：双分子转换开关。

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Meanwhile, Matt Poese and colleagues at Pennsylvania State University in University Park are developing an HFC-free air conditioning system based on sound.

同时宾夕法尼亚州州立大学帕克学院麦特珀斯正和同事们开发一种基于声音的无氟空调系统。

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But delays and inefficiencies in air travel are due in large part to an outdated traffic-control system that still relies on slow, ground-based radar stations and repetitive voice communication.

不过航空运输延迟和低效的主要原因还是过时的空中交通管制——一套依靠地面控制、反应迟缓的雷达站和不断重复的语音通讯建立起来的体系。

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In addition to all this, the Genesis uses liquid cooling around the motherboard, and an air-based system on the video cards.

ENGADGET: A closer look at Origin PC's Phase Change cooling system (and its new gaming laptops too)

The FAA says funding for the new fee system, combined with federal money, would shift the 40-year-old ground-based air traffic control system to a satellite-based, cockpit-to-cockpit system that is safer and more efficient.

FORBES: Farewell, Airline Ticket Taxes

And Congress is torn over a bill that would help fund a satellite-based air traffic control system to ease aerial bottlenecks.

FORBES: Fuel Costs Could Trim Summer Air Travel. A Bit.