activity wheel轮转: rotate; round robin系统: system磁偏转系统: magnetic deflection system快以转系统: rapid inversion system偏转系统: deflecting system; deflecting yoke; deflection system; deflection yoke; deviation system; scanning yoke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:轮转系统，即可在微信中查询翻译
