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The whole process is the morphology processing based on the gray-level image and binary mask, and is simple and easy to implement.
整个过程基本是对灰度图像和二值模板的形态处理，简单易行。
Gray scale mask method is a novel way of fabricating binary optical elements.
灰度掩模法是一种新的二元光学器件制做方法。
Compared with the technology for binary optical mask, the technology has the following strong points: process simplification, short period of fabrication and easy operation.
与二元光学元件掩模的制作工艺相比，该技术具有工艺简单、制作周期短且易于操作的优点。
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