会谈前，李强在人民大会堂北大厅为默茨举行欢迎仪式。
Real image compression (JPEG, PNG) uses different techniques (DCT, entropy coding), but quadtrees capture the same principle: spend your bits where the detail is, not uniformly across the whole image.
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– Use Image Search to search for an image of the specified place. Use keywords to search for the place.