（九）放射性物品，是指放射性物质中放射性活度和比活度均高于国家规定的豁免值的物质。
Dyson settles forced labour suit in landmark UK case
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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.。关于这个话题，91视频提供了深入分析
BBC紀錄片：暗處的鏡頭——調查中國酒店偷拍影片黑市
Paramount sues after Warner Bros. Discovery rejects its latest deal