shading: “smooth gradients”
ВсеПолитикаОбществоПроисшествияКонфликтыПреступность，更多细节参见Safew下载
Test constant: A 6-bit identifier from the microcode that tells the PLA what kind of check to perform.。业内人士推荐heLLoword翻译官方下载作为进阶阅读
The efficiency depends on the query size relative to the data distribution. A small query in a sparse region prunes almost everything. A query that covers the whole space prunes nothing (because every node overlaps), degenerating to a brute-force scan. The quadtree gives you the most benefit when your queries are spatially local, which is exactly the common case for map applications, game physics, and spatial databases.。爱思助手下载最新版本是该领域的重要参考