真是糟糕透顶,古董级的空中交通管制体系错漏百出:2008年,将近25%的美国航班延误。
It's bad enough that an archaic air-traffic-control system has led to pitiful performance: nearly 25% of U.S. flights were late in 2008.
这项壮举背后的研究员阿里-阿利耶夫称他能利用碳纳米管制出这种斗篷。这种隐形斗篷看上去就像薄线衣。
Ali I Aliev, the researcher behind the feat, said he was able to make the cloak using carbon nanotubes, which look like thin strands of thread.
这项壮举背后的研究员阿里-阿利耶夫称他能利用碳纳米管制出这种斗篷。这种隐形斗篷看上去就像薄线衣。
Ali Aliev, the researcher behind the feat, said he was able to make the cloak using carbon nanotubes, which look like thin strands of thread.
2009年颁布了一项法案,原本只打算解除出对租车市场的管制,结果这些公司借机迅猛发展。
Their growth was unleashed by a 2009 law, originally meant to deregulate the chauffeured-car tourist market.
土星与冥王星的合相显示出令人惊奇的坚强意志及自我管制的保留 态度。
The conjunction of Saturn and Pluto shows amazing reserves of tenacity and self-discipline.
土星与冥王星的合相显示出令人惊奇的坚强意志及自我管制的保留 态度。
The conjunction of Saturn and Pluto shows amazing reserves of tenacity and self-discipline.
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