It's done this way so that controllers can deal with both busy and slow air traffic periods, Richards said.
Richards说，这么做是为了让控制员既能处理航空的忙季也能处理闲季。
In part, this is because of the robust mechanics of turboprops and in part because Air Tractor's fuel tanks have rubber membranes which close around bullet holes to slow leaks.
在某种程度上，这是由于涡轮螺旋桨具有强健的力学特性，而部分原因是由于“空中拖拉机”的油箱有橡胶膜紧密围绕弹孔使得泄漏减缓。
So pollution restrictions that reduce ozone levels, especially in the rapidly growing polluted cities of Asia, could both clear the air and slow warming.
因此，控制污染减少臭氧水平，尤其是在污染快速增长的亚洲城市，既能清洁空气又可以减缓气候变暖。
But the mountain air is still intoxicating, the pace of life is slow, and there are constant reminders of the region's murky past.
但是山上空气依旧醉人，生活节奏依旧缓慢，到处有事物提醒人们这个地区阴暗暧昧的过去。
The warmer ocean would heat the air above it, which would slow the refreezing of ice in winter, which would in turn become even more susceptible to melting in summer.
温暖的海洋将加热海洋上空的空气，这将减缓冬季冰重新冻结，这反过来使海冰更加容易在夏天融化。
Take a number of slow, even, deep breaths. Put your hand on your stomach and carry the air down until you feel your stomach rise.
做几组缓慢平稳的深呼吸，把手放在胃的位置，用力吸气直到你感到肚皮鼓起来时。
Of course, then they open the parachute and then the air drag increases enormously and then they slow down even further.
当然，当他们打开，降落伞，空气阻力剧增，他们下降的更缓慢。
Take a deep, slow breath, taking in as much air as you can as slowly as you can.
深深地，慢慢地呼吸，尽量慢，尽量吸入更多的空气。
In part this is because of the turboprops' robust design, and in part because Air Tractor's fuel tanks have rubber membranes which close around bullet holes to slow leaks.
其部分原因是涡轮螺旋桨飞机结构坚固，部分原因是“空中拖拉机”公司生产的油箱有多层橡胶密封，一旦子弹射穿油箱，橡胶层就会自动封闭住弹孔，减缓燃油的渗漏。
Air travel was a luxury and the movement of goods and people around the world was relatively slow," said Dr Guenael Rodier, WHO Director of Communicable Disease Surveillance and Reponse.
航空旅行在当时是一种奢侈，并且全世界物品和人员的流动比较缓慢，”世卫组织传染病监测和应对司司长GuenaelRodier博士说。
But delays and inefficiencies in air travel are due in large part to an outdated traffic-control system that still relies on slow, ground-based radar stations and repetitive voice communication.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。
The saffron swan of dawn, slow swimming up the sky-river between the high roof-banks, bent her neck down through the dark air-water to look at him staggering below her, with his still smoking wick.
破晓的金色天鹅在高大屋顶之间的天河中缓缓游弋而来，弯下脖颈，穿过如水般的黑夜看着他在下面蹒跚而行，灯芯儿还冒着烟。
Chaos ensued, but 10 police special forces armed with pistols and machine guns were slow to enter the bus, despite smashing the Windows with sledgehammers and firing shots into the air.
混乱随之而来，但是十名特别武装着手枪和机关枪的警察却慢慢地接近旅游车，他们做的只是锤碎了玻璃，又向空中放了几枪。
Using such twists and turns, birds are said to be able to spill air out of their wings and can slow down rapidly to reduce flight altitude.(See photo)
有专家称，使用这种"超级扭曲"的方式，鸟类能够让空气从翼下划过，并能迅速减速并降低高度。
All transparent substances slow down the light that moves through them — that's why light seems to bend, or refract, when it passes from air to water.
一切透明物质都会减缓通过它的光的运动速度——这就是为什么当光由空中进入水中时，光看上去似乎被弯曲或折射的道理。
Critics accused European air transport officials of being slow to react, then overreacting to the possible risk to airplanes.
批评人士指责欧洲空中交通官员反应太慢，而随后又对飞机可能的风险反应过度。
"Strangely, in slow motion replay, the ball seemed to hang in the air for even longer." - DAVID ACFIELD.
很奇怪，在慢动作回放中，足球好像在空中停留的时间更长了。
Cultivate optimistic open-minded personality, keep quiet inside, can slow down the autumn chill of the air influence on.
养成乐观豁达的性格，保持内心宁静，方可减缓秋季肃杀之气对精神的影响。
The same period, the ocean thermal slow, relatively high temperature, air density changes smaller solipsism relative area of low pressure.
同一时期，海洋散热较慢，温度相对地较高，空气密度变化较小，遂形成相对的低压区。
As with the other rovers, Curiosity's mother ship will rely on heat shields and air-resistance, and then on a parachute, to slow its arrival.
和其他探测器相同，好奇号的母舱依靠隔热板、空气阻力和放出降落伞的方式来减慢下降速度。
On the basis of optimization of die cast parameters, the effect of slow shot velocity on air entrapment during die cast was studied further according to slow shot theory.
在优化压铸工艺参数的基础上，借鉴慢压射理论，进一步研究了慢压射速度对压铸过程卷气的影响。
The data matches computer models run by biostatisticians like Longini, who found that even the strictest limits on air travel would only slow the start of a flu pandemic, not stop its spread.
由生物统计学家如朗季尼通过计算机模拟的情况与统计的数据相吻合。他发现即使最严格的限制航空旅行只会迟缓禽流感疫情的扩散，但不会阻止其蔓延。
Going things slow in air travel slightly in the area, causing some five to 30 minutes 'delay on a few flights in some thick low hanging clouds.
因为低空厚密云层滞留不去，空中的飞机都要减速，相应的有一些航班被延误5到30分钟。
Going things slow in air travel slightly in the area, causing some five to 30 minutes 'delay on a few flights in some thick low hanging clouds.
因为低空厚密云层滞留不去，空中的飞机都要减速，相应的有一些航班被延误5到30分钟。
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