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反声原理
释义
反声原理
Encyclopedia
工学
内流稳定性控制
释
principle of antisound
反声原理
对检测到的非定常压力信号施加另一幅值相当、相位完全相反的反声信号进行抵消。是航空压气机流动失稳主动控制的核心。
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UNESCO Courier
UNESCO Creative Cities Network
UNESCO General History of Africa
UNESCO Information for All Programme
UNESCO initiative on heritage of religious interest
UNESCO Longmen Grottoes protection and restoration project
UNESCO-UNEVOC International Centre for Technical and Vocational Education and Training
UNESCO World Heritage and Sustainable Tourism Programme
unessential
unessential expansion
unessential singularity
U-network
uneven
uneven-aged forest
uneven bars
uneven bars of Summer Special Olympics
unevenness
uneven number
uneven wool dyed
U Ne Win
unexcited
unexcited degree of freedom
unexpected hanging paradox
unexpected progression
unexpected start-up
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