The phrase "extreme fluctuations" is correct and can be used in written English.
It is typically used to refer to dramatic changes in something, usually a number or rate. For example, "The stock market has seen extreme fluctuations this year."
Anna Freud observed that adolescence is characterized by extreme fluctuations in behavior.
Bitcoin's extreme fluctuations undermine any useful function for it in these roles.
These workers often face unreliable schedules, inducing extreme fluctuations in pay.
This can also lead to extreme fluctuations of temperature in the ionosphere.
A floating currency and absence of exchange controls could lead to the extreme fluctuations seen in Shanghai share prices.
Understanding exactly why our atmosphere went through such extreme fluctuations in CO2 is now a pressing concern for scientists.
Thus, Jebba is in effect the head of navigation of the Niger waterway, although extreme fluctuation in water level at times constitutes a major handicap to vessels plying beyond Lokoja.
This is due to the generally inhomogeneous structure and high permeability of karst combined with the extreme fluctuation of precipitation.
The acaulescent and subsequent rosette habit of Petrocosmea might have evolved in response to selective pressures imposed by extreme fluctuation of seasonal climate and ecological conditions.
When asked to explain the meaning of these terms, participants described 'unbalanced' as the experience of extreme fluctuation in emotions or dyssynchrony between mind, body, and emotion.
The origin of life will require just such juxtapositions and I find that resorting to extreme fluctuation reasoning, such as in the KH, somewhat unsatisfactory I think that the KH falls short of being a scientific statement as it invokes events with no well defined probability measure, and in addition, eschews identifying mechanisms.
