Analyzing through the trouble example, and put forward the method of inspection and maintenance according to the trouble of broken circuit and improper contact of circuit of no-trouble code display.

结合故障实例进行分析，针对无故障码显示的线路断路和接触不良故障，提出了检测方法和维修方法。

youdao

It has multiplex analogue input channels, keyboard and digital code display with strong ability to resist the disturbance.

具有多路模拟输入通道，配有键盘和数码显示器。

youdao

Anything on YouTube can be given the Slide.com treatment and then once again you get the code to display it on your own website or social networking site.

BBC: NEWS | Programmes | Click | Webscape

On top of that, the popup code can introduce problems with the display of a page.

FORBES: Cox Inserts User Notification Popups By Hijacking Web Pages, Doesn't Tell Support, Invites Problems

It'll display a large QR code that you hold in front of Glass' camera and, in a few moments, you're good to go.

ENGADGET: Living with Google Glass, Day Two: Around the House