第二十一条 居民委员会成员可以向居民委员会提出辞职申请，其职务自居民会议或者居民代表会议审议通过之日起终止。
Quadtree-based image compression formats and level-of-detail systems all work this way. Satellite imagery, terrain rendering, and geographic information systems use quadtree decomposition to serve data at varying resolutions: zoomed out, you see large coarse blocks; zoomed in, you see fine-grained tiles. The same principle extends to three dimensions (octrees) for volume rendering and 3D spatial indexing.。爱思助手下载最新版本对此有专业解读
If you’re getting annoyed by the number of message notifications from a big chat group, or you feel uncomfortable because of some of the comments, just put it on mute. And don’t be afraid to leave the group if you don’t need to be in it.，更多细节参见爱思助手下载最新版本
Source: Computational Materials Science, Volume 266
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