If the dip were in the opposite direction, it would be positive. 如果傾斜方向相反的話，它就是正的了。
If you are using a tilt sensitive tablet you can also spray images that distort depending on the stylus pressure and tilt direction and tilt angle. 假如你使用傾斜敏感書寫板你也能夠噴射圖象其扭曲根據鐵筆壓力和傾斜方向和傾斜角度。
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