But, usually, detecting of the gauge with pointer is by manual work, after long time for vision work, eyes will get tired, and this leads to low detecting precision and long detecting period.
At present, the gauge with pointer is widely used in the producing process.
目前生产过程中普遍采用的测量仪表是指针式仪表。
3
First of all, this issue introduces the concept of the pointergauge to the CAN network so as to reduce the query hops of the CAN networks and improve searching efficiency.