理学 计算机输入输出设备 释 optical mark reader; OMR 光学标记阅读器 是一种标记输入设备。该设备用光学扫描的方式识别并获取按一定格式印刷或书写的标记，并转化为计算机系统能够接收识别的数字文件。简称光标阅读器。
计算机硬件 输入输出设备 释文 optical mark reader, OMR 光学标记阅读器
- ellipticity constant
- ellipticity effect
- elliptic lambda-function
- elliptic line
- ellipticLog
- elliptic logarithm
- elliptic metric geometry
- elliptic modular form
- elliptic modular function
- elliptic modular group
- elliptic modulus
- elliptic motion
- elliptic net
- elliptic net of circles
- elliptic net of lines
- elliptic net of spheres
- elliptic nome
- elliptic operator
- elliptic orbit
- elliptic parabola
- elliptic-parabolic
- elliptic-parabolic equation
- elliptic-parabolic motion
- elliptic paraboloid
- elliptic paraboloid of revolution