focometer focimeter焦距计
automatic focimeter自动焦度计
projection focimeter投影焦点计
focimeter r焦距计
focal length gauge focimeter焦距计
continuously indicating focimeter连续显示式焦度计
projection n focimeter投影焦点计
digitally rounding focimeter数字显示式焦度计
Focimeter, one of the necessary instruments for the spectacle manufacturer, is used for the specificationes of lenses.
焦度计是用于测量镜片的相关参数的仪器，是眼镜行业所必备的仪器之一。
参考来源 - 自动焦度计的研制