The parabola would control air flow in a way that would lessen the shockwave, NASA says.

NASA表示，这一抛物线设计可以通过控制气流来减少冲击波的产生。

youdao

They're looking at how they can control air flow just by changing the texture of a surface.

他们正在寻求仅通过改变表面纹理来控制气流的方法。

youdao

We will work hard to prevent and control air pollution nationwide and increase the proportion of sewage treated and household refuse safely disposed of in key cities.

抓好大气污染防治和重点城市污水处理、生活垃圾无害化处理。

youdao

"That will not have any appreciable or noticeable impact on the air traffic control infrastructure in the foreseeable future today.

VOA: special.2011.07.11

The Centers for Disease Control says HEPA filters are effective in clearing the air of many particles that cause disease.

VOA: special.2009.07.14

And,the air traffic control tower suggests a minaret that can be found on a mosque.

VOA: special.2011.04.01

Located in the uppermost part of the eco-friendly home, the on-board plants would aid temperature regulation, control air quality, and provide everyday sustenance.

FORBES: 10 Floating Homes Of The Future

Air force personnel control civilian air traffic, and a general oversees the main intelligence agency.

ECONOMIST: The army blocks a truth commission

Aviation experts contend that even if intruders were able to access a control tower and disrupt operations, the nation's air traffic control system is designed with multiple back-ups so that other facilities could pick up control of the affected air space.

CNN: Union claims security lax at many air control towers