# 趨勢觀察 https://imgur.com/a/CP8PFEN ## constrain ![](https://i.imgur.com/8lZAOuz.png) ## len ![](https://i.imgur.com/hW4S4Pa.png) ## orientation ![](https://i.imgur.com/VEKXRC2.png) ## total ![](https://i.imgur.com/QNGCuEq.png)