The page transformation maps page coordinates to device coordinates.

页面变换将页面坐标映射到设备坐标。

youdao

Device coordinates are the coordinates used by the physical device being drawn on, such as a screen or a printer.

设备坐标系是在其上进行绘制的物理设备(如屏幕或打印机)所使用的坐标系。

youdao

Device coordinates are the coordinates used by the physical device being drawn on, such as a screen or sheet of paper.

设备坐标系是在其上进行绘制的物理设备(如屏幕或纸张)所使用的坐标系。

youdao

This isn't a tracking device in the traditional sense -- while it provides location info, it doesn't retain coordinates, so you can't pop this on a vehicle to see where your kids really go after school.

ENGADGET: BluTracker lets you locate your stuff within 2,500 feet, we go hands-on (video)