境外人员利用网络实施本法第三章规定的违法犯罪行为的，有关主管部门可以依法决定不准其入境。
if (n <= 1) return;
，推荐阅读Line官方版本下载获取更多信息
1936年10月，历经艰苦卓绝的二万五千里长征，红军三大主力胜利会师，淬火新生的中国共产党由此开启了中国革命波澜壮阔的新画卷。
:first-child]:h-full [&:first-child]:w-full [&:first-child]:mb-0 [&:first-child]:rounded-[inherit] h-full w-full
Regions with many nearby points keep subdividing. Regions with few or no points stay large. The tree adapts to the data: dense areas get fine-grained cells, sparse areas stay coarse. The split grid is predetermined (always at midpoints), but the tree only refines cells that need it. Sparse regions stay as single large nodes while dense regions subdivide deeply.