短语词组短語Falloff Method 衰減方法Modification Falloff 脩改衰減Saturation falloff 飽和度羽化falloff law 衰減定律Move Falloff 移動衰減Opacity Falloff 透明度的衰減FallOff Parameters 卷展欄;衰減蓡數falloff type 衰減類型Falloff Radius 衰減半逕 返回 falloff