otherwise just advance the cursor
优点：计算简单，导数恒为1（正区间），缓解梯度消失
，详情可参考旺商聊官方下载
好设计到最后一个细节都是一致的
$ ostree admin status
Nations underestimate greenhouse gas emissions from wastewater systems by amounts ranging from 19% to 27%, in part caused by a reliance on 2006 IPCC guidance rather than incorporating updates from a 2019 refinement [Nature Climate Change]
· 刘洋 · 来源：tutorial资讯