"cyclical variations" is correct and usable in written English.
You can use it to describe fluctuations in an oscillating pattern (e.g. "Stock prices show cyclical variations over the course of a year").
All that despite the socialism.* In fact, presidents have relatively little influence over cyclical variations in the macroeconomy.
"My interpretation at this point is that what we are probably seeing in Cambodia is one of these cyclical variations that happen from time to time".
Examples of such change include cyclical variations in the relative position of Earth to the Sun and to the Moon and in the immediate effects of such variations e.g., day alternating with night, high tide alternating with low tide.
The Cyclical Variations in Adaptive Conditioning System didn't only emulate high altitude, it bettered it, cycling through different altitudes which, for reasons I don't understand, provides benefits that not only outweigh traditional altitude training, but require significantly less time spent in the chamber.
This is due to cyclical variations in breast density.
In this paper, we empirically explore the effect of labor-market institutions on cyclical variations of age-specific unemployment rates.
Third, we find cyclical variation in food consumption and acquisition not only between months, but also within months and weeks.
Glacier surges are an additional form of cyclical variation impacting the proglacial environment, which briefly alter the volumes and patterns of meltwater input.
Its periodic waved structure introduces cyclical variation of local flow direction, local flow velocity and local pressure, thus leading to enhanced forced-convection.
The evolution of the operational "stress" and its cyclical variation due to a slowly increasing demand and system expansions is simulated on a test system.
Perhaps the most important policy implication of this work stems from our result on the cyclical variation in the female male wage gap.
