Well, the normal vector is either coming straight at us, or it's maybe going back away from us depending on which orientation we've chosen.

法向量或者指向我们，或者背向我们,这要根据我们选的方向来定。

youdao

Lists are probably the most common UI layout, and have a particular behavior depending on the orientation.

列表可能是最常用的UI布局了。 列表根据移动设备不同的方位状态也有着不同的动作。

youdao

Detecting a change in orientation can be useful if you want to create game behaviors depending on how the user is holding the device.

检测方向改变用于，如果你想根据用户怎样手持设备来创建游戏行为。

youdao

The Wii U controller contains the same motion tracking hardware as a Nintendo Wiimote, which means the system can track its relative position at all times, and update the controller screen depending on its orientation.

FORBES: Hands On With The Nintendo Wii U