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工程估算法
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engineering estimation method
工程估算法
按照系统层次,从底层子系统开始分别估算费用,考虑子系统集成的费用消耗,逐级向上层系统集成累积,得到各类费用的总量。费用效能分析的重要内容之一。
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noise limit for moving machiney
noise limit for vehicle interior and station platform
noise logging
noise management
noise map
noise mapping
noise margin
noise masking noise
noise masking tone
noise model
noise monitoring
noise of aircraft
noise of blasting
noise of electron tube
noise of film & television scene
noise of internal combustion engine
noise of nuclear power plant
Noise Pollution Control
noise pollution map
noise pollution monitoring
noise pollution of fishery environment
noise pollution prevention and control law
noise power
noise power spectrum
noise prediction
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