China is now capable of building the world's first underwater vacuum tube train, a futuristic form of transportation that can achieve supersonic speed and reduce airborne noise, according to Chinese academics and scholars.

Airborne noise can be blocked by barriers ( walls, thick glass) or reduced by absorbers, such as foam insulators.

空降噪音可阻断障碍（墙，厚玻璃）或减少吸收剂，如泡沫绝缘体。

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" We'll evaluate the airborne noise in there and the effects of all of the development changes that we made on the design as it exists," he explains.

“我们会评估空气和噪声的存在影响所有的发展变化，我们的设计，因为它存在，”他解释说。

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ISO7779 ( 1999) Acoustics – Measurement of airborne noise emitted by information technology and telecommunications equipment.

资讯及通讯设备的噪音量测技术。

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Portable pneumatic extinguishers Measurement of airborne noise at the operator's ear

便携式风力灭火机耳旁噪声的测定

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General method for measurement of airborne noise emitted by construction machinery and equipment

GB/T13802-1992工程机械辐射噪声测量的通用方法

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The noise indicators of ship include radiated noise, self noise, target strength and internal airborne noise.

舰船的噪声指标主要包括辐射噪声指标、自噪声指标、目标强度和舱室空气噪声指标。

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Measurement method of airborne noise emitted by marine diesel engine

GB/T9911-1988船用柴油机辐射的空气噪声测量方法

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Most ads are reproduced, airbrushed or changed by computer.

大多数广告都经过了电脑的处理、修饰和改变。

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Europe may wonder why it has been airbrushed out of the picture.

欧洲可能会奇怪自己为什么被排除在外。

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Somebody had been airbrushed out of the picture.

画面上有个人用气笔给抹掉了。

《牛津高阶英汉双解词典》

He wants schools to teach a more patriotic view of Japanese history, potentially sparking disputes with neighbours who say Japan already airbrushes out the seamier sides of its wartime history.

他希望学校的教育以一种更为爱国的观点看待日本历史，这可能引发与邻国的争端。这些邻国表示，日本已经对其战争历史进行了粉饰，抹去了其中的丑恶方面。

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Airbrushes are for super models.

那种事只对超模有帮助

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Candid photos no longer are found in a prized shoebox, but rather on a slew of social media websites and apps where they are put through a variety of filters and mock airbrushing for all the world to see.

快照不再出现在鞋盒里，而由社交平台或软件取而代之，在那里，人们能加很多的滤镜和模板，以让所有人都看到。

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What prevents the internal investigators from airbrushing the facts or, say, omitting evidence that might implicate the chief executive?

究竟是什么令内部调查人员不会涂改事实，或者换句话说删掉那些可能会牵连到高层领导的证据？

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I would never do that to myself, especially because I'm aware of the airbrushing and trainers and food programs.

我永远不会对自己做这个，尤其是我熟知喷绘、培训师和饮食计划。

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Other tweaks included some added detail on the bottom layer, and airbrushing more white here and there.

其他的改变包括在底层增加了一些细节，用airbrush在某些地方增加了更多的白色。

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The contact airburst fuze is a kind of fuze realizing accurate explosion height with wire length. It possesses the merit of high precision, strong antijamming ability and low cost.

触发空爆引信是一种以导线长度实现炸高精确控制的引信，它具有精度高、抗干扰能力强、成本低的优点。

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By researching the efficiency of airhurst fire, the paper establishes the cubical elliptical damage rule, and using it to assess airburst fire efficiency.

文中通过对空炸射击三维射击效率评定的研究，建立了评定三维射击效率的椭球毁伤规律模型。

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As a result of that discovery in last year's airburst over Chelyabinsk, Russia.

去年俄罗斯车里雅宾斯克上空的空中爆炸。

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Error Analysis of Airburst Grenade of Shipborne Gun Firing Against the Sea Targets

舰炮使用空炸榴弹对海射击误差分析

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