Elements are rendered in the order given, so if the first element is centered in the screen, other elements aligning themselves to that element will be aligned relative to screen center.

元素按顺序排列，因此如果第一个元素在屏幕的中央，那么相对于这个元素的其它元素将以屏幕中央的相对位置来排列。

youdao

Within this article, I show how em is relative to the base font you can set, while px is absolute to the base font based on the visual display of an object on the screen.

在本文中，我将展示根据对象在屏幕上的可见显示，为何em对于可设置的基本字体是相对的，而px对于基本字体是绝对的。

youdao

With the device layout approach, the layout determines what information is sent to the device and where it appears, relative to other information, on the screen.

在设备布局方法中，布局决定哪些信息将被发送到设备，以及它们在屏幕中相对于其他的信息将显示在哪里。

youdao

While the CPMs on mobile are significantly higher (you have to stare at the ads which are quite large relative to the screen size), we struggle to believe Facebook can continue to ramp the ad load on mobile the way they did in Q4 2012.

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Then you'll be able to see on the map screen display your position relative to each other.

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The novelty of a great screen or beveled edges fades quickly relative to what a device can do for me.

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