time.sleep(2 ** attempt) # 指数退避
The Mop Master technology uses 180 rotations per minute with 6N of pressure to tackle really tough stains, while the dual sweeping and mopping brushes let you pick up even the most stubborn dirt. It has 7,000 Pa of suction, a rolling brush, and a side brush, so it can pick up dirt of all kinds, from crumbs to pet hair. Its 3.35-inch low-profile design makes it perfect for reaching tight spaces and finding dust hidden under furniture.
。关于这个话题，51吃瓜提供了深入分析
优点： 无需 BatchNorm。。关于这个话题，WPS官方版本下载提供了深入分析
《台湾百科全书·历史》：《台湾百科全书》编辑委员会编著；中国大百科全书出版社出版。