В Финляндии предупредили об опасном шаге ЕС против России09:28
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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.
非惯常环境指游客脱离日常生活圈后，进入一种不熟悉或不常接触的环境。在出境旅游中，这种陌生常体现在语言、货币、地理气候与制度环境的差异性上。