1) direct sound
直达声
1.
Effects of direct sound and one time reflection of railway noise on residential quarter were mainly considered, and model for prediction of attenuation of railway noise in residential quarter was given in the paper.
主要考虑铁路噪声的直达声和一次反射声对住宅小区的影响 ,建立了铁路沿线城市住宅区列车噪声衰减的理论模型 ,计算分析了铁路噪声对建筑群纵深的影响 ,并与实测值进行比较 ,验证了模型的可靠性 。
2.
When we use it to test the underwater target strength,one problem is how to discriminate the direct sound of the source with the echo reflected from the target,finding the target character quickly.
当利用它进行水下目标强度测试时,一个很实际的问题就是怎样区分声源直达声和目标反射回声,快速找出目标特性。
2) direct sound wave
直达声波
3) direct sound field
直达声场
4) direct blast interference rejection
直达声干扰抑制
5) Dry
[英][draɪ] [美][draɪ]
干，无效果声，直达声
6) sodar
['səudɑ:]
声达
补充资料：直达直
1.见"直搭直"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条