composite noise exposure index 复合噪声暴露指数
composite noise rating 复合噪声评价 ; 复合噪声额定值
cnei composite noise exposure index 复合噪声暴露指数
So far they have simulated basic circuits for generating composite noise signals, as well as noise-based and and or logic gates, among other components.
目前他们模拟了产生重叠噪音信号的基本回路，基于噪音的与门和或门，还有其他的一些元件。
To improve the efficiency and reduce the noise of the axial fan, Optimization is made for the pneumatically designing through Composite shape arithmetic.
为了提高轴流通风机的效率和降低噪音，用复合形法对轴流通风机的气动设计进行优化。
Adopt composite pneumatic friction clutch-brake with small noise, large clutching and braking torque, small braking Angle and long service life.
采用组合式气动磨擦离合器与制动器，噪音小，离合、制动扭矩大，制动角度小，使用寿命长。
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