// Synchronous transforms
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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“The notion that this was a playful snowball fight obviously is not true,” Patrick Hendry, a police union president, told reporters after the proceeding. “This was an attack on the uniform that these police officers wear so proudly every day. They came after these police officers, pelting them with ice, rocks.”，详情可参考旺商聊官方下载
11月26日，香港新界大埔区宏福苑发生五级火警。这场火警是香港首宗屋苑五级火警，也是香港回归以来第二宗五级火警。火灾造成至少160人死亡（包括1名殉职消防员）、79人受伤，6人失踪。火灾发生前，宏福苑正进行维修工程，各座住宅外围搭建了竹制脚手架和防尘护网，玻璃窗几乎全被发泡胶封闭。11月26日下午2时51分，其中一座建筑外的防护网起火，火势迅速蔓延至该屋苑8座大厦中的7座。初步调查显示，维修工程中封闭窗户所用的发泡胶属高度易燃物，加上使用未达阻燃测试标准的保护网，使火势迅速蔓延至室内外。，更多细节参见safew官方版本下载