Volunteers were told to think about yawning while they breathed either normal air, pure oxygen, or an air mixture with an above-normal level of carbon dioxide.
当志愿者在正常的空气中、纯氧的环境下，或者混有超过正常的二氧化碳含量的空气中呼吸时，他们被要求要想着打哈欠。
Volunteers were told to think about yawning, while they breathed either normal air, pure oxygen, or an air mixture with an above-normal level of carbon dioxide.
当志愿者在正常的空气中、纯氧的环境下，或者混有超过正常的二氧化碳含量的空气中呼吸时，他们被要求要想着打哈欠。
Normal air pressure is about 15 pounds per square inch.
正常的气压大约是每平方英寸15磅。
The mixture also retains the pressure longer than normal air would.
混合气体也能比普通气体更长时间的保持胎压。
Normal air, enriched air or pure oxygen can be used to support combustion.
空气、富气、和纯氧气都可用来支持燃烧。
Move seven feet away, and you're "close to background, " i.e., breathing normal air.
站到七尺以外的话，你已经非常接近背景水平，也就是说呼吸到正常的空气。
Calcium chloride and PME treatments were used either at normal air pressure or in a vacuum.
氯化钙和PME治疗方法使用，也可以在正常的空气压力或真空。
"One question not addressed is whether smog stabilizes bacteria in a way that normal air doesnot," he added.
“有一个疑问没有解决，那就是雾霾是否在某种程度上以一种普通空气无法实现的方式令细菌保持了稳定，”他接着写道。
DMC series Pulse Jet Bag Filter is the rectangular Dust Collector which has simple construction and can be use in a normal air volume range.
dmc系列脉冲袋式除尘器是一种结构简单，风量应用范围中等的矩形除尘器，被广泛应用于操作压力要求不高的各种条件下。
It is a novel approach to full utilization of heat energy during heat treatment, with 30% increased heat efficiency compared to normal air condensers whose exhaust is directly put to atmosphere.
它开辟了一条热处理过程热能充分利用的新途径，比通常尾气直接排入大气的空气冷却器提高热效率30%以上。
YMC series Pulse Jet Bag Filter is the column Dust Collector which can be use in a normal air volume range. And it can be used widely on condition that the operation pressure is much more higher.
ymc系列脉冲袋式除尘器是一种风量应用范围中等的圆筒形除尘器，应用于操作压力要求较高的条件下。
Air traffic had returned to normal.
空中交通已恢复正常。
To scare off predators, this shark can balloon to twice its normal size by filling its stomach with air or water.
为了吓退捕食者，这种鲨鱼可以用将胃部填满空气或水的方式使自己的身形膨胀到正常体积的两倍。
Air France said the flights affected are short and medium haul only. Long haul should take off as normal.
法航表示受影响的航班只是中短途的，长途航班可以正常起飞。
Driven by the loss of ice, Arctic temperatures are warming more quickly than other parts of the world: last autumn air temperatures in the Arctic stood at a record 5c above normal.
由于冰的损失，北极温度正比世界其它地方更快地升高：去年秋天，北极气温达到高于正常5度的纪录。
The four-point drop in IQs linked to the air pollutants in New York City and Krakow is fairly subtle; parents and teachers wouldn't notice it because most children would fall within normal ranges.
在纽约和克拉科夫空气污染导致的4点智商值下降是相当微妙的；父母和老师不会注意到因为许多孩子还处在正常的范围里。
Tweaking and adjusting turbines so that their blades can harness the strongest air currents rather than be harmed by them is a normal part of turbine management.
在涡轮管理中，不停地拧以及调整这些涡轮使他们的叶片能够利用最强劲的气流，而非被这些气流所破坏是一项行规作业。
And some players think something foul is afoot. They contend that the ball doesn't behave the way a normal soccer ball should, that it even turns the wrong way in mid-air.
一些球员对这种足球颇多不满，他们声称，这种球踢起来不像是个“足球”，飞到半空甚至会转错方向。
These observations were confirmed by a study of 121 normal subjects at Bolling Air Force Base.
在波凌空军基地，这些观察在一项121个正常被试者参与的研究中被证实了。
In normal condition, air side should not have dirt.
在正常情况下，气侧应没有污垢。
Weather forecasters say air quality will return to normal this Wednesday following forecasted strong wind.
天气预报表明，周三伴随着强风的来临空气质量将回归正常水平。
Due lack parts, for troubleshooting, interchanged bleed air regulator of R engine with L engine, running-up test normal.
由于航材缺件，为判断故障，左右发对串引气调节器，试车检查右发引气压力正常。
The installation of a Watts air gap with the drain line terminating above a floor drain will handle any normal discharge or nuisance spitting through the relief valve.
连接通向地漏的排泄管的美国瓦茨气隙的安装将有助于处理通过安全阀排出的任何正常排放或有害的泄漏。
The normal cabin air source is obtained from the 5th-stage of the engines at low –engine power, 9th-stage air automatically substitutes to meet user system needs.
正常情况下，客舱空气来自于发动机低能量的第5级，9级空气自动分配以满足用户系统的需要。
The normal cabin air source is obtained from the 5th-stage of the engines at low –engine power, 9th-stage air automatically substitutes to meet user system needs.
正常情况下，客舱空气来自于发动机低能量的第5级，9级空气自动分配以满足用户系统的需要。
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