In one test, readings differed by 47 microseconds - or a difference of 1 degree of at 60 Hz- an unacceptable variance.

And my reading of the article differs from yours.

Native reading, for example, differs from both in that it emphasizes teaching reading beginning at a very early age, when the human brain is neurodevelopmentally most receptive to learning language.

These readings can differ at times when glucose levels are changing rapidly.

If this reading differs from the ground reading (i.e., different readings for different heights), the lower value of the two is used for aircraft operations.

Thus, the reading of the card may differ from one observer to another.

Since it was installed in Tucson, its readings have differed from those of the conventional thermometers.

But why should an incident-light reading differ from a gray-card reading, when both are supposedly measuring the "average" of the light in the scene?

If the two readings differ, the police rely on the lower reading.

When the thermometers' readings differed (never by more than 0.4 degrees), the two were averaged.