1) cockpit voice background sound
舱音背景声
1.
Development and application of real-time analysis system on cockpit voice background sound in airplane
飞机舱音背景声特征实时分析系统开发及应用
3) BGM speaker
背景音乐扬声器
4) background music
背景音乐
1.
Influence of postoperative applying background music on psychological state of adolescent hernia of patients;
术中应用背景音乐对青春期疝气病人心理的影响
2.
A review of the application of background music in hospital;
背景音乐在医院应用的必要性
3.
Observation on effect of application background music for patients undergoing thyroid gland operation;
背景音乐在甲状腺手术中的应用效果观察
5) background noise
背景噪音
1.
Intense background noise,however, often corrupts speech and degrading the performance of manycommunication systems.
但是背景噪音是其基本通信——语音通信首先要解决的问题。
补充资料：3K背景辐射
见微波背景辐射。
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