鸣叫 发表于 2025-3-30 12:09:10
Danielle Costa Morais,Liping Fangnotions in aviation noise issues. The readers will find answers to many usual and legitimate questions, for example what is the relationship between the perceived noise and the level of the physical noise related to the European ACARE goals which are expressed sometimes as EPNL reduction in dB or sometimes as perceived noise reduction in percent.矛盾心理 发表于 2025-3-30 14:31:48
http://reply.papertrans.cn/17/1670/166986/166986_52.pngPsa617 发表于 2025-3-30 16:45:16
http://reply.papertrans.cn/17/1670/166986/166986_53.png闷热 发表于 2025-3-30 22:38:32
Boron nitride (BN) phase transition data, burden endured by airports’ neighbouring communities. The final table gives an even more synthetic view of these messages, the institutions they target, their objectives and the best ways that are likely to support them.