放大等级放大级amplification: n. 1.扩大;扩充。 2.【电学】增幅,放大(率)。 ...stage: n. 1.讲台;舞台;戏院,剧场;〔the stage〕 ...stage of amplification: 放大级buffer amplification stage: 缓冲放大级low-frequency amplification stage: 低频放大级下载手机词典可随时随地查词查翻译