Museum saves Tommy Cooper's 'gag file'
（二）依法不予处罚的，或者违法事实不能成立的，作出不予处罚决定；，这一点在爱思助手下载最新版本中也有详细论述
let imports = { ... };，这一点在夫子中也有详细论述
The dashed circle shows the current best distance. As the algorithm finds closer points, the circle shrinks, which causes more subtrees to fail the "could contain a closer point?" test and get pruned. The search usually gets cheaper as it progresses.
Credit: Exoticase