This is the same idea behind binary search. In a sorted array, you compare against the middle element and eliminate half the remaining candidates. In a quadtree, you choose one of four quadrants and ignore the other three regions. Each level narrows the search space by a factor of four instead of two.
int4 — 最大程度的压缩，文件大小减少约 4 倍。质量损失更明显（约 2~10%，具体取决于模型），但通常可以接受，尤其对于函数调用而言。
，这一点在快连下载安装中也有详细论述
习近平总书记微笑作答：“我是人民的勤务员。”
From the moment I completed Google TV setup and started watching the TCL X11L I was amazed. I could immediately tell it's the brightest TV I've had in my home, but it was the color vibrancy that I found most impressive. The colors we're all most familiar with - skin tones, the sky, green grass and trees - all look as close to realistic as I've seen on a TV. And with the color vibrancy it looks staggeringly good.