分离对象的物理视图与逻辑视图，隐藏物理视图的实现细节，使算法工作在高层的逻辑视图上，并通过视图变换将高层算法映射到低层中间表示上。
We separate the physical view and logic view of IR, and make algorithms work on the high-level logic view, and map the high-level algorithms into low-level IR through view transformations.
计算机利用快速M变换对混合信号进行分离，从而得到视网膜各个区域的反应信号。
The computer separates the mixed signal by means of fast m transform and obtains responding signals from each area of retina.
该方法通过求导线误差重心，坐标变换和分离的手段对原方法作了重大的改进，从而使计算变得简单。
The method is greatly improved on an old one by calculating traverse error orthocenter, coordinate transformation and separation. so as to make the calculation easier.
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