noise control [环境] 噪声控制 ; 噪音控制 ; 噪音管制 ; 噪声控剂
active noise control 有源噪声控制 ; 主动式噪音控制
active noise control system 活性噪音控制系统 ; 噪声主动控制系统
Noise Control Device 噪声控制装置
criteria for noise control cross 噪声控频标准
noise control program 噪声控制规划
noise control law 噪声管制法
noise control legistation 噪声管制立法
Acoustics and Noise Control 声学与噪声控制 ; 声学和噪声控制
A number of countries are already in the process of formulating their own standards for the control and reduction of classroom noise.
一些国家已经在着手制定本国关于控制和减少教室噪音的标准。
The noise was quite disruptive at first, but after about four minutes the subjects were doing just as well on their tasks as control subjects who were not exposed to noise.
起初，受试者会被噪音扰乱，但大约四分钟后，他们在任务中的表现与未受噪音影响的对照组受试者一样好。
If the individual knows that he or she can control the noise, this seems to eliminate both its negative effects at the time and its after-effects.
如果有人知道他或她可以控制噪音的话，或许可以同时消除当下和后续的负面影响。
应用推荐