鹦鹉螺还能抵抗撞击、振动、防盐防雾、防渗水并能经受噪声和电磁干扰的影响。
The Nautilus meets withstands shock, vibration, salt, fog, drip, fungus, acoustic noise, and EMI.
介绍了高等级公路噪声污染产生的原因,介绍了国内、外降噪的主要措施,同时提出了防噪声方式。
The cause inducing noise pollution on high grade road, and the noise abatement measures both at home and abroad are introduced. A way to precaution noise given.
在分析干扰噪声的特点的基础上,设计了防电磁干扰的屏蔽系统。
At the same time, a kind of sheltery system preventing electromagnetic disturbance is designed on the basis of researching the character…
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