| 摘要 |
The two types of the powdered particles are used for fabricating the transparency film that enhances the transparent and reduces the double feeding problelm. The two types of the particles which are called x and y have following relations. 0.5 m x + y 10 m (I); 0.01 m x 3.0 m (II); 0.5 m y 10.0 m (III).
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