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noise protection
auto.	防噪
tech.	噪声防护
noise protection Adoption of measures for controlling noise pollution, such as restriction of the emission of noise from industrial, commercial and domestic premises, from motor vehicles and aircrafts, the provision of noise barriers and buffer zones, the fitting of sound attenuation equipment, etc.
environ.	噪声防护 (采用控制噪声污染的措施，如限制来自工业、商业、住宅楼宇和汽车、飞机排放的噪声，提供隔音屏障及缓冲区，采用适当的消声装置等。)

noise protection : 5 phrases in 2 subjects

Automobiles	4
Technology	1