The zeroreading may also vary as the ambient temperature changes. This effect is usually referred to as the temperature coefficient of the voltage offset.
仪器的零点读数也会随着环境温度的变化而变化。这种效应通常称为电压偏置温度系数。
2
Although the average was zero, each interval had a maximum (and a minimum) reading. In this graph, my APM is displaying a flat zero line indicating the average but also the maximum value.
虽然平均值是零，但是每一个时间间隔都有一个最大(和最小)读数。
3
You do so via the seek method, which takes a single parameter that indicates where in the file you want to start reading or writing (for example, zero indicates the start of the file).