Choices for output: Display, sound, print, and user interface elements to make visual indications for sound.
输出方式可选择:显示、声音、打印,以及将图像提示转换成声音的用户界面元素。
3
This system is based on the principle that speed multiple time equals length. With sound-control circuit and a single chip, the equipment can measure, check, display, print etc.