The machine's optical scanner measures this magnetic ink.

机器的光学扫描仪能测出这种磁性墨水。

Optical scanner do not distinguish text from illustrations.

光学扫描仪不能区分文本和图形。

Diffractive-optical element, scanning optical system, optical scanner, and image forming apparatus.

光学衍射元件，光学扫描系统，光扫描器和图像形成装置。

An optical scanner can actually read characters and transfer them to the monitor screen of a computer.

光学扫描仪能读出字符，并将其转换到电脑显示屏上。

Scientists in the United States have developed an experimental system that USES a high-tech optical scanner.

美国科学家开发了一种使用高科技光学扫描仪的实验系统。