The experiment shows that the absolute error of the reading approach is zero, which is applicable to automatic tracking reading of high-precisionmeter very well.
实验表明：该读数方法绝对误差为零，非常适合于高精度指针式仪表自动跟踪判读。
2
The most important problem of the watt-hour meter is dependability and precision.
对电能表来说最重要的问题是可靠性和精度。
3
The implemented electric meter has simple structure, high measurement precision and reliability.