A static Web site may often give the impression of a stagnant technology, and having regularly updated news meets the dual need of informing people and making the project seem alive.
静态Web站点常常给人以沉闷的印象，而定时地更新新闻则可以满足通知人们和使项目看上去生动的双重需要。
Dual filters are adopted in the former algorithm, obtaining clear image with sharp edge and good visual impression.
前一种算法采用双滤波器结构，既保证了图像的清晰度又使其边界锐利，获得了较好的视觉效果。
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