[电子]?有噪声反馈
有噪声反馈
?有反馈噪声
noisy feedback 有反馈噪声; 有噪声反馈..
The feedback has also led to warmer wards in the cold weather, an end to noisy vacuum cleaning first thing in the morning, and better access to TV remote controls.
BBC: How one question can change the NHS
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。