The X in these function refers to the screen coordinate system.

函数中的x代表屏幕坐标系统。

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Make sure a valid number is entered for each screen coordinate, and then apply the new screen coordinates.

确保为每一屏幕坐标输入有效数字，然后应用新的屏幕坐标。

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According to mechanism of orthographic projection, this paper has set up the converted relation between screen coordinate and space coordinate.

根据正投影的机理，建立了点线面屏幕坐标与空间关系的转换关系。

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Another Kinect game that was demoed on the night was Dance Central from MTV Games which allows the player to coordinate their dance moves in time to an on-screen prompt.

BBC: Microsoft unveils Xbox 'Kinect' motion controller