swap(&arr[i], &arr[j]);
“集群化发展”成为常态，“上下楼即上下游、左右邻即合伙人”成为现实，“实验室—中试平台—产业化基地”的全链条通道，让科技成果转化的“亦庄速度”不断刷新。
。同城约会对此有专业解读
# Inject at runtime, never store on disk
Жители Санкт-Петербурга устроили «крысогон»17:52
If France could lead the world with Minitel in the 1980s, surely Europe can free itself from Silicon Valley’s shackles now? | Alexander Hurst
· 吴鹏 · 来源：demo资讯