指示器

1. 标度盘有刻度的表面或面，在上面由活动的指针或指示器表示度量衡，比如温度
   A graduated surface or face on which a measurement, such as speed, is indicated by a moving needle or pointer.
2. 指示器，记录器监控发动机、熔炉、电网、水库或其它系统运作状况的仪器；指示板或仪表盘
   An instrument used to monitor the operation or condition of an engine, a furnace, an electrical network, a reservoir, or another physical system; a meter or gauge.
3. 旋标装置飞机控制板上的指示器或观测仪，用来测量角度
   An indicator or a sighting apparatus on a plane table, used in angular measurement.

指示的英语翻译：

器的英语翻译：