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。
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.
在另一些情况下，则可以使用REL(零点)功能将其从读数中减去，或者简单地使用内置的零点抑制功能(如果仪器具有此功能的话)将其消除。
In other cases, it can either be subtracted from the reading by using the REL (zero) feature or simply canceled out by using built-in zero suppression if the instrument has this feature.
在几秒钟内，表针的读数应为零。
各位看到读数归零了吗，完全归零了。
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。
The zero reading may also vary as the ambient temperature changes. This effect is usually referred to as the temperature coefficient of the voltage offset.
将系统中的水排出，直到锅炉压力读数降为零。
打开零点检查开关将会引起电荷读数的突然变化，称为“零跳”。
Opening the zero check switch will produce a sudden change in charge reading known as "zero hop."
在电压源即将打开之前，关闭仪器的零点检查功能并使用REL功能抑制电荷读数，使显示为零。
Just before the voltage source is turned on, disable the meter's zero check and suppress the charge reading by using the REL function to zero the display.
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。
The experiment shows that the absolute error of the reading approach is zero, which is applicable to automatic tracking reading of high-precision meter very well.
在理想的情况下，当把电压表连接到一个没有电压的、阻抗比较低的电路时，电压表的读数应当为零。
Ideally, when a voltmeter is connected to a relatively low impedance circuit in which no voltages are present, it should read zero.
现在仪器的读数应当为零。
打开检测器(在连接软管之前)。检测器的所有读数必须为零。关闭VA和VB。
Turn tester on (before connecting hoses). Tester must read all zeros. Close VA and VB.
打开检测器(在连接软管之前)。检测器的所有读数必须为零。关闭VA和VB。
Turn tester on (before connecting hoses). Tester must read all zeros. Close VA and VB.
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