All of the robovacs I've tested have announced out loud when they're in remote viewing mode. But not all robot vacuums provide that courtesy notification (the DJI Romo, for one, does not).
pixels console mybox
。同城约会对此有专业解读
18 February 2026ShareSave
优点：计算简单，导数恒为1（正区间），缓解梯度消失