1. 选择：输入选择(Selector):也称声源(Source)或功能(Function)或输入(Input), 通常包含唱头(PHONO)、激光唱机(CD)、录音座(TAPE)、调谐器(TUNER)和辅助(AUX)等声源设备, 还有视频设备(IDEO).
2. 选择开关：图中选择开关( selector) 选择端口1时,励磁调节器的采样输入电压由Uz 取得;选择端口2时, AVR采集u信号后转换为有效值作为反馈输入信号;选择端 口3时,AVR采集u信号后转换为平均值作为反馈输入信号.
3. selector：sel; 转换开关
1. (挑选运动队员或参赛运动员的)选拔委员，选拔人
A selector is someone whose job is to choose which people will be in a particular sports team or will take part in a particular sports contest.
e.g. ...the England cricket selectors.
英格兰板球队的选拔委员
1. National selector Akhtar Ali slammed the infighting and criticized coach Bal for openly siding with Paes.
2. They make music with the finest musicians cutting across genres in Italian music, including Burning Spear and Selector.
noun
1. a switch that is used to select among alternatives
Synonym: selector switch
2. a person who chooses or selects out