figure noisenoise factornoise figure噪音: noise; undesired sound; stre ...系数: coefficient; ratio; modulus; ...接收机（受话器）噪音系数: rnf receiver noise figure接收机噪音系数: rnf receiver noise figure隔音系数: acoustic reduction factor; acoustical reduction factor; coefficient of sound insulation; sound insulation coefficient; soundproof coefficient下载手机词典可随时随地查词查翻译
