Meanings of rapid alternation in English

There was a rapid alternation between hysteria and apathy.

Although some of the minor changes are omitted, the section shows the rapid alternation of the strata:

The rapid alternation of town and country life, which the fickle poet indulged in, gives a peculiar charm to his poetry.

He never showed that rapid alternation of wit, humor, pathos, invective, sublimity, and ingenuity which have been characteristic of the greatest advocates.

But the rapid alternation from pleased surprise and enjoyment to something like a scowl of despair and almost hate she could not understand.

In the rapid alternations of her temper, her anger was beginning to rise again.

For a moment Beth faced him silently, her color coming and going in rapid alternations.

The patient should dress warmly, avoid rapid alternations in temperature, and be careful not to have thc skin suddenly chilled.

In the rapid alternations of opinion produced by the varying incidents of the present war, a few days effect the work of centuries.