美国管理民用航空的政府机构联邦航空管理局本月宣布了新规定，以消除飞行员疲劳。
The Federal Aviation Administration (FAA), the government agency that regulates civil aviation in the United States, announced new rules this month to combat pilot fatigue.
“天空登陆者”需要达到200小时的飞行时间，才能被航空管理局批准正式投入使用。
The Airlander will need to have 200 hours' flying time before being allowed to fly by the aviation administration.
同年，美国联邦航空管理局要求将这些实际上从未是黑色的盒子刷成橙色或黄色，以提高能见度。
The same year, the Federal Aviation Authority required that the boxes, which were never actually black, be painted orange or yellow to aid visibility.
盘表控制进入真空管空气流量。
The driver used the dial mounted on the dash to control the flow of air into the vacuum chamber.
控制板打开真空管，将钻井泥浆泵入油井。
The control pod will open the valves that allow the drilling mud to be forced into the well.
产生X线的机器到现在还是完全依靠真空管。
The machines used to generate them still rely resolutely on vacuum tubes.
在晶体管发明前，计算机采用真空管作为逻辑原件。
There were computers before the transistor; they used vacuum tubes as logic elements.
但是由于民用航空管制，票据运输和结算的优良传统被耽误了。
But with civilian air traffic shut down, the transportation and clearing of good old-fashioned checks were being delayed.
根据公司的消息，真空管将不会被砷化镓晶体管取代。
According to the company, the large and heavy vacuum tube-based traveling wave tube amplifiers cannot be effectively replaced by GaAs transistors because they a much lower breakdown voltage.
新空管塔于一月份启用；为了改善视线，旧塔正在拆除中。
A new tower was opened in January; the old one is being dismantled to improve sightlines.
勃兹曼站在脚凳上，正在用真空管清理其中的一个水族馆箱。
Bozeman was up on a footstool, cleaning one of the aquariums with a vacuum tube.
去年，美国联邦航空管理局允许其重量超过其它轻型运动飞机。
Last year the Federal Aviation Administration agreed to let it weigh more than other light sport aircraft.
如果你使用的是锥形的滤纸，将它放置在足够大容器的空管上。
If you're using a cone-shaped filter, set it in a funnel over a container that is large enough to hold the strained liquid.
这项研究最终导致了美国联邦航空管理局的电子飞行显示器认证。
That research eventually led to the Federal Aviation Administration certification of electronic flight displays.
他讲，“最后，白炽灯会进博物馆，就像电子学的真空管那样。”
"Ultimately, incandescent light bulbs will end up in a museum, just like vacuum tubes did for electronics," he says.
其中一个是联邦航空管理局在2004年批准的新型娱乐性飞行器。
One was the new category of recreational aircraft the FAA sanctioned in 2004.
而当前该方案又有可能因联邦航空管理局提出的预算削减方案而夭折。
The current plan is now threatened by proposed cuts to the budget of the Federal Aviation Administration.
这架飞机飞过了目的地城市后，空管人员叫醒了飞行员，飞机安全降落。
The plane passed its destination before controllers raised the pilots, who returned and landed safely.
另一个问题是“无人飞行系统”还未被空管人员批准使用美国和欧洲之间的民用空域。
Another problem is that UAS have not been cleared to share civil airspace over America and Europe by air-traffic controllers.
上午03时20分： 巴西、西班牙、非洲及法国的空管人员未能与该航班取得联系。
20am: Attempts by Brazilian, Spanish, African and French traffic controllers to contact the plane fail.
这位女士说她丢掉了她的航空管理工作，于是两个人谈了几分钟关于经济的话题。
The woman said she lost her airline management job, and the two talked about the economy for a few minutes.
当初强韧可靠的晶体管取代了脆弱不稳的真空管，为电子元件带来了飞跃性的进步。
ELECTRONICS made a huge leap forward when the delicate and temperamental vacuum tube was replaced by the robust, reliable transistor.
加热和充电的结合释放出电子， 电子通过真空管加速撞击到对面充满正电的电极上。
The combination of heat and charge releases electrons, which accelerate through the tube and strike a positively charged electrode at the other end.
当引擎冷却时，通过出口软管吸入空气，在真空管产生吸气，导致柱塞向下挤压弹簧。
The engine, as it cooled itself, sucked in air through the outlet hose, producing suction in the vacuum chamber, and so drawing the plunger down and compressing the spring.
当引擎冷却时，通过出口软管吸入空气，在真空管产生吸气，导致柱塞向下挤压弹簧。
The engine, as it cooled itself, sucked in air through the outlet hose, producing suction in the vacuum chamber, and so drawing the plunger down and compressing the spring.
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