change-tune switch变换: vary; alternate; commutation ...调谐: harmonious tune; resonate; t ...开关: Q-switching调谐开关: tuning switch静调谐开关: muting switch下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:变换调谐开关，即可在微信中查询翻译
