Sentence examples for repeatedly fluctuate from inspiring English sources

Over long periods of time, genetically-based preferences for hosts continue to shift within each predator population, and the levels of defense in each prey species repeatedly fluctuate up and down.

The size of the dynamically recrystallized grains (~ 40 μm) indicates shear stress of the order of 10 MPa, but the evidence for alternating phases of plastic deformation and hydraulic fracture suggests that the shear stress and fluid pressure may have fluctuated repeatedly.

In our study, participants' lives were disrupted repeatedly by fluctuating symptoms and 'cycles' of injury and recovery.

For its part, Beijing has repeatedly said that it intends to allow its currency to appreciate and fluctuate with market forces.

Markets fluctuate.

Markets do fluctuate.

"Things fluctuate," Mr. Di Rita said.

The last two fluctuate.

Did it fluctuate?

"And we fluctuate.

Tips also fluctuate widely.