有人喜欢用这个标尺工具比1像素。

Someone prefer to use this tool than a pixel-ruler.

youdao

此外在使用标尺工具中重要的一件事是信息面板。

Also one thing important in using Ruler Tool is the Info (Information) Panel.

youdao

正如刚才所说，我们要使用标尺工具。确保标尺和参考线都是打开的。

As I mentioned earlier we will be using the ruler Tool. Make sure that rulers and guides is turned on.

youdao